---
layout: post
title: "论文摘要(1):大规模优化问题的子空间共轭梯度法"
date: 2019-01-04 16:48:00
categories: Mathematics
excerpt: 'This paper is published on 13 February 2017 in Numer Algor.It is wriiten by Yueting Yang, Yuting Chen and Yunlong Lu worked in School of Mathematics and Statistics, Beihua University, Jilin.This work is supported in part by the National Natural Science Foundation of China(No.11171003) and Department of Education of Jilin Province 12th Five-Year Plan to support scientific research projects(No.2015132)'
permalink: /nfe/1/
---
This paper is published on 13 February 2017 in Numer Algor.
This paper is wriiten by Yueting Yang, Yuting Chen and Yunlong Lu worked in School of Mathematics and Statistics, Beihua University, Jilin.
This work is supported in part by the National Natural Science Foundation of China(No.11171003) and Department of Education of Jilin Province 12th Five-Year Plan to support scientific research projects(No.2015132)
0 Abstract and Keywords
$\mathrm{1.\ The\ method\ proposed\ in\ this\ paper：}$
- $\mathrm{a\ new}\ subspace\ three-term\ conjugate\ gradient\ \mathrm{method}$
$\mathrm{2.\ The\ search\ directions\ in\ the\ method:}$
- $\mathrm{generated\ by\ minimizing\ a\ } quadratic\ approximation\ of\ the\ objective\ function\mathrm{\ on\ a\ subspace.}$
- $\mathrm{the\ subspace\ is\ spanned\ by}\ current\ negative\ gradient\ \mathrm{and}\ the\ latest\ two\ search\ directions.$
- $\mathrm{they\ satisfy}\ the\ descent\ condition\ \mathrm{and}\ Dai-Liao\ conjugacy\ condition$
$\mathrm{3.\ The\ global\ convergence\ result\ of\ the\ method:}$
- $\mathrm{establish\ under\ some\ appropriate}\ assumptions,\mathrm{\ with}\ Wolfe\ condition.$
$\mathrm{4.\ Numerical\ experiments\ of\ the\ method:}$
- $competitive\ \mathrm{for\ a\ set\ of\ 80\ unconstrained\ optimization\ test\ problems.}$
$\mathrm{5.\ Keywords:}$
- $Large-scale\ unconstrained\ optimization$
- $Subspace \ \cdot \ Conjugate\ gradient \ \cdot \ Global\ convergence$
1 Introduction
This paper consideres a $large-scale\ unconstrained\ optimization$ problem:
$$\min f\left(x \right),\ x \in R^n$$
It mentions many essays for solving this problem based on iteration formula
$$x_{k+1} = x_k + \alpha_k d_k = x_k + A_k z_k$$
$$where\ d_k\ is\ a\ search\ direction, \alpha_k\ is\ a\ step\ size$$
$$A_k\ is\ a\ basis\ matrix\ of\ a\ subspace\ in\ R^n,\ z_k\ is\ a\ coefficient\ vector$$
They are:
- Hestenes, M.R., Stiefel, E.L.: Methods of conjugate gradient for solving linear systems. J. Res. Natl. Bur. Stand. 6(49), 409–436 (1952)
$$d_k = -g_k + \beta_k^{HS} d_{k-1},\ d_0=-g_0,\ \beta_k^{HS} = \frac{g_k^T \left(g_k-g_{k-1} \right)}{d_{k-1}^T \left(g_k-g_{k-1} \right)}$$
$$where\ g_k = \nabla f\left(x_k \right )\ is\ the\ gradient\ of\ f\left(x \right)\ at\ x_k$$
- Liu, Y.L., Storey, C.S.: Efficient generalized conjugate gradient, Part I: Theory. J. Optim. Theory Appl. 7, 149–154 (1964)
$$d_k = -g_k + \beta_k^{LS} d_{k-1},\ d_0=-g_0,\ \beta_k^{LS} = \frac{g_k^T \left(g_k-g_{k-1} \right)}{-d_{k-1}^T g_{k-1}}$$
- Flether, R., Reeves, C.M.: Function minimization by conjugate gradient. Comput. J. 7, 149–154 (1964)
$$d_k = -g_k + \beta_k^{FR} d_{k-1},\ d_0=-g_0,\ \beta_k^{FR} = \frac{g_k^T g_k}{g_{k-1}^T g_{k-1}}$$
- Polyak, B.T.: The conjugate gradient method in extreme problems. USSR Comput. Math. Math. Phys. 9, 94–112 (1969)
$$d_k = -g_k + \beta_k^{PRP} d_{k-1},\ d_0=-g_0,\ \beta_k^{PRP} = \frac{g_k^T \left(g_k-g_{k-1} \right)}{g_{k-1}^T g_{k-1}}$$
- Flecther, R.: Practical Methods of Optimization, vol. I. Unconstrained Optimization, Wiley, New York (1988)
$$d_k = -g_k + \beta_k^{CD} d_{k-1},\ d_0=-g_0,\ \beta_k^{CD} = \frac{g_k^T g_k}{-d_{k-1}^T g_{k-1}}$$
- Liu, D.C., Nocedal, J.: On the limited memory BFGS method for large scale optimization. Math. Program. 45, 503–528 (1989)
- Stoer, J., Yuan, Y.X.: A subspace study on conjugate gradient algorithms. Zeitschrift for Angewandte Mathematik and Mechanik 75, 69–77 (1995)
$$d_k \in \mathrm{span}\left \{ A_k \right \}, \ A_k = \left(g_k,x_k-x_{k-1}\right)$$
$$d_k\ is\ the\ minimum\ of\ approximate\ quadratic\ model\ of\ f\left(x \right)\ at\ x_k$$
$$namely,\ d_k = \arg \underset{d}{\min}\left (g_k^Td+\frac{1}{2}d^TB_{k}d \right ),\ B_{k}\ is\ an\ approximation\ of\ the\ \nabla^2f\left(x_{k} \right )$$
- Con, A.R., Could, N., Sartenaer, A., Toint, Ph.L.: On Iterated-Subspace Minimization Methods for Nonlinear Optimization. In: Adams, L., Nazareth, J.L. (eds.) Linear and Nonlinear Conjugate Gradient Related Methods, pp. 50–78. SIAM (1996)
- Dai, Y.H., Yuan, Y.X.: A nonlinear conjugate gradient method with a strong global convergence property. SIAM Journal on Optimization. 10, 177–182 (2000)
$$d_k = -g_k + \beta_k^{DY} d_{k-1},\ d_0=-g_0,\ \beta_k^{DY} = \frac{g_k^T g_k}{d_{k-1}^T \left(g_k-g_{k-1} \right)}$$
- Chen, R.L., Zeng, J.P.: A new subspace correction method for nonlinear unconstrained convex optimization problems. Acta Mathematicae Applicatae Sinica 4(28), 745–756 (2002)
- Wang, Z.H., Yuan, Y.X., Wen, Z.W.: A subspace trust region method for large scale unconstrained optimization. Int. Conf. Numer. Linear Algebra Optim. 10 (2003)
$$d_k \in \mathrm{span}\left \{ A_k \right \}, \ find\ z_k\ by\ minimizing\ f\left(x_k + A_k z_k\right)\ using\ the\ trust\ region\ method$$
$$\ A_k = \left(\frac{-g_k}{\left \| g_k \right \|}, \frac{x_{k-m+1}-x_{k-m}}{\left \| x_{k-m+1}-x_{k-m} \right \|}, \cdots, \frac{x_{k}-x_{k-1}}{\left \| x_{k}-x_{k-1} \right \|}, \frac{g_{k-m+1}-g_{k-m}}{\left \| g_{k-m+1}-g_{k-m} \right \|},\cdots, \frac{g_{k}-g_{k-1}}{\left \| g_{k}-g_{k-1} \right \|}\right)$$
- Wang, Z.H.: A limited memory trust region method for unconstrained optimization and its omplementation. Methematica Numerica Sinica 4(27), 395–404 (2005)
- Yuan, Y.X.: Subspace Techniques for Nonlinear Optimization. Academy of Mathematics and System Sciences, Chinses Academy of Science (2006)
$$reviews\ various\ subspace\ techniques\ used\ in\ constructing\ \\
of\ numerical\ methods\ for\ large-scale\ optimization$$
- Lv, L.B.: A new algorithm for solving large-scale trust region subproblem. Oper. Res. Manag. Sci. 5(16), 48–52 (2007)
- Liu, J.K.: Convergence properties of a class of nonlinear conjugate gradient methods. Comput. Oper. Res. 40, 2656–2661 (2013)
- Andrei, N.: On three-term conjugate gradient algorithms for unconstrained optimization. Appl. Math. Comput. 219, 6316–6327 (2013)
- Andrei, N.: Another conjugate gradient algorithm with guaranteed descent and conjugacy conditions. J. Optim. Theory Appl. 159, 159–182 (2013)
- Deng, S.H., Wan, Z.: An improved spectral conjugate gradient algorithm for nonconvex unconstrained optimization problems. J. Optim. Theory Appl. 157(3), 820–842 (2013)
- Andrei, N.: An accelerated subspace minimization three-term conjugate gradient algorithm for unconstrained optimization. Numerical Algorithms 65, 859–874 (2014)
$$d_k \in \mathrm{span}\left \{ A_k \right \}, \ A_k = \left(-g_k,x_k-x_{k-1},g_k-g_{k-1}\right)$$
$$d_k\ is\ the\ minimum\ of\ approximate\ quadratic\ model\ of\ f\left(x \right)\ at\ x_k$$
$$namely,\ d_k = \arg \underset{d}{\min}\left (g_k^Td+\frac{1}{2}d^TB_{k}d \right ),\ B_{k}\ is\ an\ approximation\ of\ the\ \nabla^2f\left(x_{k} \right )$$
- Deng, S.H., Wan, Z.: A three-term conjugate gradient algorithm for large-scale unconstrained optimization problems. Appl. Numer. Math. 92, 70–81 (2015)
Above-mentioned essays mainly tell us how to determine the search direction $d_k$ in iteration formula
$$x_{k+1} = x_k + \alpha_k d_k$$
But how do we determine the step length $\alpha_k$? Actually, the $\alpha_k$ is usually obtained by some inexact line search techniques such as Armijo, Armijo-Goldstein, Wolfe, strong Wolfe and so on.The core idea of these techniques is to ensure that $\alpha_k$ is in the appropriate range, not too big or not too small.The following are details of these techniques.
- Armijo:
$$f\left ( x_{k+1} \right ) - f\left ( x_k \right ) \leq \varepsilon \alpha_kf_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} = \varepsilon \alpha_kg_k^Td_k,\ \varepsilon \in \left ( 0,1 \right )$$
$$f\left ( x_k+\gamma \alpha_kd_k \right ) - f\left ( x_k \right ) \geq \varepsilon \gamma \alpha_kf_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} = \varepsilon \gamma \alpha_kg_k^Td_k,\ \gamma \in \left ( 1,+\infty \right )$$
- Armijo-Goldstein:
$$f\left ( x_{k+1} \right ) - f\left ( x_k \right ) \leq \varepsilon \alpha_kf_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} = \varepsilon \alpha_kg_k^Td_k,\ \varepsilon \in \left ( 0,1 \right )$$
$$f\left ( x_{k+1} \right ) - f\left ( x_k \right ) \geq \eta \alpha_kf_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} = \eta \alpha_kg_k^Td_k,\ \eta \in \left ( \varepsilon,1 \right )$$
- Wolfe:
$$f\left ( x_{k+1} \right ) - f\left ( x_k \right ) \leq \varepsilon \alpha_kf_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} = \varepsilon \alpha_kg_k^Td_k,\ \varepsilon \in \left ( 0,1 \right )$$
$$f_{\alpha_k}'\left ( x_{k+1} \right ) = g_{k+1}^Td_k \geq \eta f_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} = \eta g_k^Td_k,\ \eta \in \left ( \varepsilon,1 \right )$$
- Strong Wolfe:
$$f\left ( x_{k+1} \right ) - f\left ( x_k \right ) \leq \varepsilon \alpha_kf_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} = \varepsilon \alpha_kg_k^Td_k,\ \varepsilon \in \left ( 0,1 \right )$$
$$\left |f_{\alpha_k}'\left ( x_{k+1} \right ) \right | = \left |g_{k+1}^Td_k \right | \leq \eta \left |f_{\alpha_k}'\left ( x_{k+1} \right )|_{\alpha_k=\ 0} \right | = \eta \left |g_k^Td_k \right |,\ \eta \in \left ( \varepsilon,1 \right )$$
My question is: What are the detail ideas of these inexact line search techniques?
2 Minimizing the quadratic model on a subspace
This paper proposes a new method for large-scale unconstrained optimization, where
$$d_{k+1} \in \mathrm{span}\left \{ A_k \right \}, \ A_k = \left(-g_{k+1},x_{k+1}-x_k,x_k-x_{k-1}\right)$$
$$d_{k+1}\ is\ the\ minimum\ of\ approximate\ quadratic\ model\ of\ f\left(x \right)\ at\ x_{k+1},\ namely\ $$
$$d_{k+1} = \arg \underset{d}{\min}\left (g_{k+1}^Td+\frac{1}{2}d^TB_{k+1}d \right ),\ B_{k+1}\ is\ an\ approximation\ of\ the\ \nabla^2f\left(x_{k+1} \right )$$
and we will choose $B_{k+1}$ satisfying the quasi-Newton equation
$$B_{k+1}\left(x_{k+1}-x_{k} \right) = \left(g_{k+1}-g_k \right)$$
We let
$$\Phi \left(d \right) = g_{k+1}^Td+\frac{1}{2}d^TB_{k+1}d$$
since
$$d_{k+1} = \arg \underset{d}{\min}\Phi \left(d \right)$$
we know that $\Phi' \left(d_{k+1} \right)=0$, namely
$$g_{k+1}^T + d_{k+1}^TB_{k+1} = 0 \quad \left(1\right)$$
If we let $s_k = x_{k+1}-x_{k}$ and let
$$d_{k+1} = -g_{k+1} + a_k s_k + b_k s_{k-1}$$
then $\left(1\right)$ can be rewritten as
$$g_{k+1}^T + \left(-g_{k+1} + a_k s_k + b_k s_{k-1} \right)^TB_{k+1} = 0 \quad \left(2\right)$$
We use $s_k$ and $s_{k-1}$ times $\left(2 \right)$ respectively, then we obtain a 2×2 system of linear equations
$$\begin{pmatrix}
y_k^Ts_k & y_k^Ts_{k-1}\\
y_k^Ts_{k-1} & \eta_k
\end{pmatrix}\begin{pmatrix}
a_k\\
b_k
\end{pmatrix}=\begin{pmatrix}
g_{k+1}^Ty_k-g_{k+1}^Ts_k\\
\omega_k-g_{k+1}^Ts_{k-1}
\end{pmatrix} \quad (3)$$
where $y_k = g_{k+1}-g_k$, $\eta_k = s_{k-1}^TB_{k+1}s_{k-1}$ and $\omega_k = g_{k+1}^TB_{k+1}s_{k-1}$. We assume that $s_k$ and $s_{k-1}$ are linearly independent since $x_{k+1}$,$x_{k}$ and $x_{k-1}$ are not usually collinear. Therefore, the dimension of $A_k = \mathrm{span}\left \{ -g_{k+1},s_k,s_{k-1} \right \}$ is equal to 2 or 3.
When $\mathrm{dim}\left(A_k\right) = 2$, if $-g_{k+1}$ and $s_k$ are linearly independent, we can let $b_k = 0$ since $\mathrm{dim}\left(A_k\right) = 2$. Otherwise, we can let $a_k = 0$ since $-g_{k+1}$ and $s_k$ are linearly dependent. Therefore, we can rewrite $\left(3 \right)$ as
$$a_k = \frac{g_{k+1}^Ty_k-g_{k+1}^Ts_k}{y_k^Ts_k},\ b_k = 0$$
and
$$a_k = 0,\ b_k = \frac{\omega_k-g_{k+1}^Ts_{k-1}}{\eta_k}$$
respectively.
When $\mathrm{dim}\left(A_k\right) = 3$, using Carmer Rule, we can rewrite $\left(3 \right)$ as
$$\begin{aligned}
&a_k = \frac{\eta_k \left (g_{k+1}^Ty_k-g_{k+1}^Ts_k \right )-y_k^Ts_{k-1}\left ( \omega_k-g_{k+1}^Ts_{k-1} \right )}{y_k^Ts_k \eta_k - \left (y_k^Ts_{k-1} \right )^2}\\
&b_k = \frac{y_k^Ts_{k} \left ( \omega_k-g_{k+1}^Ts_{k-1} \right )-y_k^Ts_{k-1}\left (g_{k+1}^Ty_k-g_{k+1}^Ts_k \right )}{y_k^Ts_k \eta_k - \left (y_k^Ts_{k-1} \right )^2}
\end{aligned}$$
Here, we replace $\cos^2\left \langle B_{k+1}^\frac{1}{2}s_{k-1},B_{k+1}^\frac{1}{2}s_{k} \right \rangle$ by $1/2$ and let
$$B_{k+1} = I + \frac{y_ky_k^T}{y_k^Ts_k} - \frac{s_ks_k^T}{s_k^Ts_k}$$
Therefore, we obtain following formulas for computing $\eta_k$ and $\omega_k$
$$\begin{aligned}
&\eta_k = 2\frac{\left (y_k^Ts_{k-1} \right )^2}{y_k^Ts_k}\\
&\omega_k = g_{k+1}^Ts_{k-1} + \frac{\left ( g_{k+1}^Ty_k \right )\left ( y_k^Ts_{k-1} \right )}{y_k^Ts_k}-\frac{\left ( s_{k+1}^Ts_k \right )\left ( s_k^Ts_{k-1} \right )}{s_k^Ts_k}
\end{aligned}$$
We can prove that $d_{k+1}$ satisfies the descent condition
$$g_{k+1}^Td_{k+1} < 0$$
and the Dai-Liao conjugacy condition
$$y_k^Td_{k+1} = -g_{k+1}^Ts_k$$


/Users/bsipes/opt/anaconda3/envs/tracts/lib/python3.9/site-packages/bids/config.py:39: FutureWarning: Setting 'extension_initial_dot' will be removed in pybids 0.16.
warnings.warn("Setting 'extension_initial_dot' will be removed in pybids 0.16.",
/Users/bsipes/opt/anaconda3/envs/tracts/lib/python3.9/site-packages/nilearn/datasets/__init__.py:93: FutureWarning: Fetchers from the nilearn.datasets module will be updated in version 0.9 to return python strings instead of bytes and Pandas dataframes instead of Numpy arrays.
warn("Fetchers from the nilearn.datasets module will be "


This is a paragraph containing some PII like<EMAIL_ADDRESS>! John is now 42 years old.
48% of cardiologists treated patients aged 65+.


Goodwin leads Notre Dame past Robert Morris 92-57
by ANTHONY ANDERSONSOUTH BEND, Ind. (AP) — Dane Goodwin led a balanced Notre Dame attack with 18 points off the bench as the Fighting Irish stormed to a 92-57 victory over Robert Morris on Saturday.
T.J. Gibbs added 15 points, Prentiss Hubb 13, Robby Carmody 13 and John Mooney a double-double of 10 points and 10 rebounds.
Notre Dame (1-1) improved to 20-0 under Mike Brey in home openers.
Already leading 39-20 at the break, the ball-spreading Irish effectively put the game away with a 16-2 spree over the first four minutes of the second half for a 55-23 advantage. All five ND starters scored during that spurt.
Josh Williams netted 18 of his-game high 21 points for the Colonials (0-2) in the second half, finishing the day 6 of 16 on 3-pointers His brother, Jon Williams, added nine points.
The Irish shot 57% from the field overall while holding the Colonials to 34%. Notre Dame also made 22 of 25 free throws to the visitors’ 2 of 4.
Advertising
It was the first-ever meeting between the programs.
BIG PICTURE
Robert Morris: The Colonials, who appeared to offer little in the way of defensive resistance, will need to get accustomed to trying to solve opposing offenses on the road. Nine of their first 11 games are away from home.
Notre Dame: Returning nearly their entire team from a season ago, the Irish have a chance to continue building momentum before they get into the thick of their Atlantic Coast Conference schedule. Just two of their first 15 games are against currently ranked clubs and one of those already took place with Tuesday’s season-opening 76-65 loss at No. 9 North Carolina.
UP NEXT
Robert Morris: The Colonials host neighboring nemesis Pittsburgh on Tuesday in their only home contest among their first seven games. RMU has never beaten the Panthers over 30 meetings, the last coming in November 2011.
Notre Dame: The Irish play the second of six straight home games when Howard visits Tuesday. Notre Dame has never faced the Bison.
ANTHONY ANDERSON


Find a Sweep for {{competition.name}}
| Sweep Name |
Competition |
Sweep Owner |
Location |
Play |
| {{group.group_name}} |
{{competition.name}} |
{{group.owner}} |
{{group.location}} |
Play
|
Choose a Competion
| Competition Name |
Play |
| {{comp.comp_name}} |
Play
|
Add New Group
{{data.response}}


| 10/3/14 | Conference: The Future of Phage and Synthetic Biology |
|
Tufts Synthetic Biology is hosting a conference, The Future of Phage and Synthetic Biology, which will bring together experts from academia, industry, and regulation to discuss and present on emerging research concerning the applications of phage - specifically bacteriophage therapy. See more |
| Date | Speaker |
| 10/10/14 | Michael Levin |
| 10/17/14 | Fiorenzo Omonetto |
| See full schedule |


Cron expressions are used to configure the scheduling of automated processes.
A cron expression is a string consisting of six or seven sub-expressions (fields), which describe individual details of the schedule:
* * * * * * *
| | | | | | |
| | | | | | +----- Year
| | | | | +------- Day of week
| | | | +--------- Month
| | | +----------- Day of month
| | +------------- Hours
| +--------------- Minutes
+----------------- Seconds
So a cron expression can be as simple as this:
1 * * * * ? *
Or more complex, like this:
0/5 14,18,3-39,52 * ? JAN,MAR,SEP MON-FRI 2002-2010
The fields are as follows:
| Field Name | Mandatory | Allowed Values | Allowed Special Characters |
----------------------------------------------------------------------------
| Seconds | YES | 0-59 | * / , - |
| Minutes | YES | 0-59 | * / , - |
| Hours | YES | 0-23 | * / , - |
| Day of month | YES | 1-31 | * / , ? ? L W |
| Month | YES | 1-12 or JAN-DEC | * / , - |
| Day of week | YES | 1-7 or SUN-SAT | * / , ? ? L # |
| Year | NO | empty, 1970-2099 | * / , - |
Examples
0 0 12 * * ?
- fire at 12pm (noon) every day
0 15 10 ? * *
- fire at 10:15am every day
0 15 10 * * ?
- fire at 10:15am every day
0 15 10 * * ? *
- fire at 10:15am every day
0 15 10 * * ? 2005
- fire at 10:15am every day during the year 2005
0 * 14 * * ?
- fire every minute starting at 2pm and ending at 2:59pm, every day
0 0/5 14 * * ?
- fire every 5 minutes starting at 2pm and ending at 2:55pm, every day
0 0/5 14,18 * * ?
- fire every 5 minutes starting at 2pm and ending at 2:55pm, AND fire every 5 minutes starting at 6pm and ending at 6:55pm, every day
0 0-5 14 * * ?
- fire every minute starting at 2pm and ending at 2:05pm, every day
0 10,44 14 ? 3 WED
- fire at 2:10pm and at 2:44pm every Wednesday in the month of March
0 15 10 ? * MON-FRI
- fire at 10:15am every Monday, Tuesday, Wednesday, Thursday and Friday
0 15 10 15 * ?
- fire at 10:15am on the 15th day of every month
0 15 10 L * ?
- fire at 10:15am on the last day of every month
0 15 10 ? * 6L
- fire at 10:15am on the last Friday of every month
0 15 10 ? * 6L 2002-2005
- fire at 10:15am on every last Friday of every month during the years 2002, 2003, 2004 and 2005
0 15 10 ? * 6#3
- fire at 10:15am on the third Friday of every month
0 0 12 1/5 * ?
- fire at 12pm (noon) every 5 days every month, starting on the first day of the month
0 11 11 11 11 ?
- fire every November 11th at 11:11am
Special characters
- * (all values) - used to select all values within a field. For example, "*" in the minute field means "every minute"
- ? (no specific value) - useful when you need to specify something in one of the two fields in which the character is allowed, but not the other. For example, if I want my trigger to fire on a particular day of the month (say, the 10th), but don't care what day of the week that happens to be, I would put "10" in the day-of-month field, and "?" in the day-of-week field. See the examples below for clarification
- - (hyphen) - used to specify ranges. For example, "10-12" in the hour field means "the hours 10, 11 and 12"
- , (comma) - used to specify additional values. For example, "MON,WED,FRI" in the day-of-week field means "the days Monday, Wednesday, and Friday"
- / (slash) - used to specify increments. For example, "0/15" in the seconds field means "the seconds 0, 15, 30, and 45". And "5/15" in the seconds field means "the seconds 5, 20, 35, and 50". You can also specify '/' after the
character - in this case
is equivalent to having '0' before the '/'. '1/3' in the day-of-month field means "fire every 3 days starting on the first day of the month"
- L (last) - has different meaning in each of the two fields in which it is allowed. For example, the value "L" in the day-of-month field means "the last day of the month" - day 31 for January, day 28 for February on non-leap years. If used in the day-of-week field by itself, it simply means "7" or "SAT". But if used in the day-of-week field after another value, it means "the last xxx day of the month" - for example "6L" means "the last friday of the month". When using the 'L' option, it is important not to specify lists, or ranges of values, as you'll get confusing results
- W (weekday) - used to specify the weekday (Monday-Friday) nearest the given day. As an example, if you were to specify "15W" as the value for the day-of-month field, the meaning is: "the nearest weekday to the 15th of the month". So if the 15th is a Saturday, the trigger will fire on Friday the 14th. If the 15th is a Sunday, the trigger will fire on Monday the 16th. If the 15th is a Tuesday, then it will fire on Tuesday the 15th. However if you specify "1W" as the value for day-of-month, and the 1st is a Saturday, the trigger will fire on Monday the 3rd, as it will not 'jump' over the boundary of a month's days. The 'W' character can only be specified when the day-of-month is a single day, not a range or list of days
- # (hash) - used to specify "the nth" XXX day of the month. For example, the value of "6#3" in the day-of-week field means "the third Friday of the month" (day 6 = Friday and "#3" = the 3rd one in the month). Other examples: "2#1" = the first Monday of the month and "4#5" = the fifth Wednesday of the month. Note that if you specify "#5" and there is not 5 of the given day-of-week in the month, then no firing will occur that month
Notes:
- the
L
and W
characters can also be combined in the day-of-month field to yield LW
, which translates to "last weekday of the month"
- the legal characters and the names of months and days of the week are not case sensitive. So
MON
is the same as mon
.


Software Engineer | Computer Science at UCLA
I'm an fourth year Computer Science student at UCLA, with an expected gratuation of June 2022. I am currently taking a quarter off and interning at Waymo as a Software Engineering Intern. Additionally, I'm seeking New Grad Software Engineer positions.
At UCLA, I've been heavily involved in IEEE, and have recently been joining project clubs, such as Creative Labs and Daily Bruin. Outside of academics, I enjoy doing graphic design, listening to music, watching TV shows, and going on runs!
University of California, Los Angeles
B.S. Computer Science
Expected Graduation: June 2022
Relevant Lower Division Coursework
CS 31/32: Introduction to Computer Science I/II
CS 33: Computer Architecture
CS 35L: Software Construction Laboratory
CS M51A: Logic Design of Digital Systems
Math 61: Discrete Mathematics
Upper Division CS Coursework
CS 111: Operating Systems
CS 118: Computer Network Fundamentals
CS 130: Software Engineering
CS 131: Programming Languages
CS M146: Machine Learning
CS M151B: Computer Systems Architecture
CS M152A: Digital Design Laboratory
CS 161: Artificial Intelligence
CS 174A: Computer Graphics
CS 180: Algorithms and Time Complexity
CS 181: Formal Languages and Automata Theory
CS 188: Data Science Fundamentals
Waymo
Software Engineering Intern
September 2021 - present
Software Engineering Intern on the Simulation Team
Okta, Inc
Software Engineering Intern
June 2021 - September 2021
Software Engineering Intern on the Sync Team
Daily Bruin
DevOps Intern
January 2021 - June 2021
Institute of Electrical and Electronics Engineers at UCLA
External Vice President
April 2020 - April 2021
Publicity Chair
April 2019 - April 2020
IDEA Hacks at UCLA
Team Captain
April 2020 - April 2021
Design Committee Lead
April 2019 - April 2020
Center of Vision, Cognition, Learning, and Autonomy at UCLA
Research Assistant
May 2020 - September 2020


I'm an independent contractor in DevOps and here are some of the services I can provide for your company
If you're a small business and don't want to spend a lot of time and money purchasing servers and finding a colo, then virtual infrastructure is perfect for you. It allows a very dynamic environment where you can create and destroy servers in minutes. I can do anything from help a small company create an initial setup, with a few servers, to helping larger companies with automating launching, provisioning, and configuring instances. I can use auto scaling to scale up and down, and use load balancers to help get towards zero downtime. I can use S3 to store valuable and highly accessed data. I can setup a dns infrastructure to make sense of all your severs.
I have experience with:
At some point you'll want to be able to configure a server without having to spend time manually setting everything up. This is where configuration management comes in. It will allow you to fully configure one of your servers with only one command. This will also help with dynamic environments where you have many servers that all need to be updated simultaneously. I use software to manage all configuration so that you know your staging server is exactly the same as production and will run code the same way.
I have experience with:
Sometimes you'll want to automate random tasks, and I can do this with scripting. I have written scripts to do anything from automate backups to monitor cronjobs for data cronmon. I'm most comfortable in Bash or Ruby, but I can easy learn any other scripting language quickly. Please check out my projects page to see some examples of things I've coded.
I have experience with:
This is a great way to increase developer productivity and build a more solid work flow to avoid problems. I've setup automated builds on pull requests or pushes to github. A build can do anything from compile the source code to run tests to actually deploying to a live staging or production server.
I have experience with:
You want to be able to easy access data about your servers or get alerts when things go wrong? Don't we all? Monitoring is a great way to do this. I can create you one dashboard where you can see things like cpu usage, memory usage, or even how many requests per minute ever server is receiving. The sky is really the limit here, if you can think of something metric you'd like to see, I can probably build it.
I have experience with:
This is a great way to get logs from many servers, parse them, and make them easily searchable. This makes it much easier for developers to easily find the logs that they need to from production, especially when you have many servers and many layers. You can get as complicated as having a Transaction ID that gets sent down the full stack, so that you can see all logs from frontend to backend to db all with one search.
I have experience with:


System Architect Picture "Fundamental Characteristic"
Parent Diagram:
Subject Characteristic
(UML Class)


Along with the technologies listed below: JQuery, D3, Leaflet, Bootstrap 4.1, Font Awesome 5, Lightbox, Firebase Database API and a variety of NPM packages such as inquirer, request, dotenv, fs, mysql, currency-formatter, body-parser, express-handlebars, path, console.table, node-spotify-api, twitter, moment, express-handlebars, cheerio, mongo DB, and mongoose.
Lots of stuff actually. What gets me excited though, and has been at the heart of it all, is finding ways to leverage technology to solve problems that people genuinely care about.
Additional work history is available upon request.
Design and oversight for Enterprise Data Warehouse team as product owner. Backend technologies include SSIS/SSRS/SQL Server data marts for web application running HTML/CSS/Angular.
Position: Sr. Director, Enterprise Data Architecture
Location: Alpharetta, GA
Created client-facing technical solutions, from concept to delivery, on the .NET technology stack with SQL Server on the backend. Managed development of web-based Dashboard application for a cross-discipline team.
Position: Technical Consulting Manager
Location: Atlanta, GA
Developed IIS web application using Java, JavaScript and JSP against SQL Server. Created components to synchronize project tasks/resources with MS Project Server API and Outlook using .NET.
Position: Software Engineer, Lead
Location: Atlanta, GA
Check out these fun mini-projects.
What amazing new projects are on your mind?!
You can reach me via any of the below.


Data types and functions are essentials of programing. Functions allow us to separate out our logic and code to make our life simpler, that way we can narrow our focus and solve hard problems in baby steps. Data to the computer is simply a bunch of 0's and 1's, but we can use it to represent things such as: Numbers ,Text, Lists, etc. In this section we will take a look at Functions, Data Types, and Variables.
Data Types are simply different ways we represent our Data. While there are a lot of different data types, we will just talk about the basics. In JavaScript data types are dynamic. Which means that the same variable can be used as a different type. Here are some examples:
Variables are simply a way to store our data. In JavaScript they are represented by the keyword "var". Here is the syntax:
var myVariable = Value;
Here are some examples of variables being declared.
<script> var x = 5; // x is a Number var y = "Hello World"; // y is a String var z = true; // z is a Boolean var i = [1,2,3,4,5]; // i is a Array of Numbers var j = ["Spencer","Calvin","Alex","Max","Jason"]; // j is a Array of Strings x = "Im a String" // x is now a String </script>
Numbers along with Booleans are simple data types. Numbers can be either whole numbers(Integers) or real numbers(Doubles in JS). We perform Arithmetic operations on numbers with add( + ), subtract( - ), multiplication( * ), and division( / ):
var x = 10; // x is 10
Basic Arithmetic:
var x = 10/2; // => 5 x = x * 3; // x = x*3 => 15 x++; // This means x = x + 1, so => 16 x+=4; // This means x = x + 4 => 20, the same thing goes with x-=n -> x = x - n.
Numbers also have methods(actions):
You can also define all basic data-types as Objects, the format for creating an object is:
var obj = new Object(...);
For creating numbers as objects we do:
var num = new Number(10); // num is 10
Creating a variable as an object is not the same as creating a variable as a primitive number. JavaScript will temporarily change variables that are primitive into objects with you call a method with them. Because of this I recommend simply making variables as primitive numbers like: var x = 3; This way we avoid problems with strict equality(===) and Case/Switch statements, both of which we will discuss later.
Out of all the data types we talked about Arrays are definitely the most complex. An array is a list of items. In all programing languages an array's particular elements can be accessed by their index( Where the item is in the array ). The index starts at 0, and a item in an array can be access by the notation: Array[index]. For example.
// 0 1 2 3 var array = ["Apple","Banana","Peach","Orange"]
You can also alert an array and JavaScript will give you a nice representation of the array:
alert(array) --> "Apple,Banana,Peach,Orange"
You can find the number of elements in an array by saying: array.length, in our example the array with elements ["Apple","Banana","Peach","Orange"] has a length of 4. There are plenty of methods you can use with an array, which can always be looked up online, so you don't have to memorize these:
Challenge:
What will be alerted?
var array = ["Apple","Banana","Peach","Orange","Cherry"]; array.sort(); array.pop(); array.push("Lemon"); var newArray = array.slice(1,5); alert(newArray);
You can place any datatype into an array, even another array. Known as a multi-dimensional arrays, for example an array within an array is a 2D array. Which can be treated like a table, grid, or matrix. For example:
var Array2D = [ [1,2,3], [4,5,6], [7,8,9] ];
Since there is an array inside the array we need two brackets, one two go into the outer array then the next to go into each inner array, or it maybe easier to see it as a table with rows and columns.
Here is some examples of getting elements:
Array2D[1] => [4,5,6] Array2D[1][0] => 4 Array2D[1][1] => 5 Array2D[0][2] => 3
Strings in there basic form are actually an array of characters, although they are a bit more than advanced than that in high level languages (like JavaScript). So for example we could look at ['H','e','l','l','o'] being similar to "Hello". So it is no surprise that strings have many methods that arrays have:
Strings also have a property known as concatenation, which means we merging two strings together. This is used by the + symbol:
var hello = "HELLO"; var world = " WORLD"; //notice the space. var statement = hello+world; // statement is "HELLO WORLD"
Some other things that strings can do:
var myStr = "Hello World"; myStr = myStr.toLowerCase(); // => "hello world" myStr = myStr.toUpperCase(); // => "HELLO WORLD" myStr = myStr.replace("WORLD","INTERNET"); // => "HELLO INTERNET" var anotherStr = myStr.split("E") // anotherStr => ["H","LLO INT","RN","T"]
Functions are blocks of code that can accept values (known as arguments or parameters). We can use functions to separate out our program and focus on one part at a time, in a much more organized fashion. In JavaScript the syntax of functions is:
function nameOfFunction(arg1*,arg2*,...){ /* JavaScript Code */ }
The brackets { and } are known as branches, which in this case means they are a separate piece of code away from our main code. We will talk alot more about branching (along with a better definition) in the next section. Just know that those squiggly brackets are where we put our code for a function.
Note that when we make a function it does not do anything until we use it, known as calling a function. Here is an example:
function sayHello(){ alert("Hello World"); } sayHello(); // <-- This calls the function
All variables that are made inside a function are gone once we leave that function. This is known as local variables (Which are variables stored in the Stack - You don't need to know what that means).So for example this code will not work:
function sayBye(){ var imGone = "Bye!"; alert(imGone); // <-- This is fine } sayBye(); alert(imGone); <-- We arn't in the function, we don't know what imGone is.
This will output alert("Bye!"), but then you will get an error message like: imGone is not defined.
Global variables are variables we define outside of functions, we can use these values outside and inside functions fine:
var imGone = "Bye!"; function sayBye(){ alert(imGone); // This works! } sayBye(); alert(imGone); //<-- This works too!
The locality of variables and where they are defined is called the scope. For global variables the scope is the entire program, globals are defined everywhere. Although for local variables they are only defined within their scope or where they were made between the brackets { ...variable... } .
Parameters:
We can also can give variables for our functions to work with (known as passing a value to a function). The values are known as arguments or parameters, and they are separated by commas:
function addStuff(x,y){ var sum = x + y; alert(sum); } addStuff(5,10) // 5+10 = 15
Returning Values:
We can also give out values with our functions, by saying return item. If we look back we can see many functions we used above does this ( toString() , valueOf(), slice() ). For example:
function giveStuff(x,y){ var sum = x + y; return sum; } var theSum = giveStuff(5,10) ; /* giveStuff(...) gives a value, 15 in thie case, it's like: var theSum = 15; */ alert(theSum);
We know that we can produce output with the alert(string) function. We can also get input from the user with the prompt(str_message, ~str_text). ~ means optional. The Prompt function returns the string you gave it.
var name = prompt("What is your name?","Enter name here"); alert("Hello "+name);
Since datatypes are dynamic in JavaScript and can change easily, it's hard to be sure which datatype some variable is. This is mostly always between Strings and Numbers. We will want to convert to either: [Number to String] or [String to Number]. And we have functions for that:
Here is an example of a problem that can happen, lets say we ask for a number for input and we add to it:
var num = prompt("Enter a number"); var sum = num + 12; alert(num+" + 12 = "+sum);
At first glance this look like it would run fine, but when we test it something is wrong. If I say 4, it tells me that " 4 + 12 = 412 ". Remember that prompt returns a string, so it did a string concatenation: "4" + 12 = "412". In JavaScript: [Number + String = String] and the Number is treated as a string. If we cast (change datatype) the input into a Number we will get the right result:
var num = prompt("Enter a number"); num = parseInt(num); var sum = num + 12; alert(num+" + 12 = "+sum);
Lets skim over the important points in this section.
Data Types are ways we represent our data:
Functions are blocks of code that can accept values:
Datatypes in JavaScript are dynamic and can change easily to convert to a data type we use:
To get user input we use: prompt(str_message, ~str_text), ~ means optional.


"One Heart, One Way"
The Trastamara Sisterhood is a close-knit sorority of passionate and driven women. We are dreamers, romantics, and idealists. We are adventurers, seekers, and explorers. We seek answers for questions we have yet to ask. We take the first step on a path we do not yet see. We are driven by will, following our heart wherever it takes us. We are free.
Our Main Beliefs
Happiness is borne out of life and grown by love.
To love life means living yours to the fullest.
The meaning of love is found not in ourselves, but in one another.


{% extends "layout.html" %} {% block body %}
We have pre-built some docker envronemnts, choose one to build a container


'Discussed weather': Ajit Pawar on public chat with Fadnavis post BJP-NCP fall
Fadnavis had on November 23 returned as chief minister propped up by Ajit Pawar, who was made his deputy.
by PTIMumbai: As eyebrows were raised over their first joint public appearance after the fall of the 80-hour- long government last month, NCP leader Ajit Pawar on Monday said he and former CM Devendra Fadnavis discussed 'weather' during the meeting.
In a stunning turn of events, Fadnavis had on November 23 returned as chief minister propped up by Ajit Pawar, who was made his deputy.
Both were sworn in a hush-hush early morning ceremony but the government lasted only 80 hours.
On Sunday, Fadnavis, now the Leader of Opposition in the Assembly and Pawar, leading contender for the deputy CM's post in the Maha Vikas Aghadi government headed by Shiv Sena chief Uddhav Thackeray, were seen together for the first time since the fall of their short-lived government.
They shared the stage at the marriage ceremony of independent MLA Sanjay Shinde's daughter in Solapur district and were seen engrossed in a 20-minute animated chat.
"Just because we sat together doesn't mean something new is cooking. We discussed the weather and rainfall," Pawar told reporters in his home turf Baramati in Pune district.
"The chairs at the wedding were arranged in such a manner that both of us were seated together," he said. "There are no permanent foes in politics. As we were seated together, it was natural for us to talk about the weather," he added.
Fadnavis last week told a TV channel that it was Ajit Pawar who approached him to form the short-lived government in Maharashtra.
Catch the latest news, live coverage and in-depth analyses from India and World. Follow us on Facebook and Twitter.


Master Raien:
So you're the Great Swordsinger I've heard about.
You've comforted many a soldier with your songs of the glory of Eva.
Some say they embody the wisdom of Eva, as the songs of a Swordsinger are taught by the goddess. Would you like to hear the story?
"Yes!"


Oracles and Bicycles
Levers
There are three classes of levers, but some are more similar than others.
First-class levers balance the fulcrum between the effort and load, like this:
First-class levers use the pivot to change the mechanical advantage of the effort, and also the direction of the resultant force.
Second- and third-class levers look like this (respectively):
Second- and third-class levers still change the input’s mechanical advantage, but don’t affect its direction. In fact, the concepts of “input” and “output” aren’t very applicable here: first-class levers react to input, but these levers just transform a force that passes through them.
There are two kinds of Google searches. This is (of course) a flagrant generalization, but we’ve all enjoyed a silent chuckle while watching a grandparent laboriously spell out “What is the weather like in Boston right now?” as we doodle “boston weather” into our phones under the table. Even though they get the same result, it takes longer, and (more importantly) just feels wrong. To us, it seems to betray a sort of naivety about what search engines are, and how to use them. Google is an engine to be operated with keywords, not an oracle to be queried in complete, meticulously punctuated sentences. Right?
Keyboards
As keyboards get smarter, “spellcheck” is becoming obsolete. It’s not because we’re spelling better, but rather bypassing it altogether: autocomplete is letting people not even spell anything at all! This is awesome. Spellcheck, while better than nothing, embodies a very violent UX pattern. It has no flow. It interrupts. It implies that misspelling a word is some sort of wrongdoing, instead of a natural part of the writing process. It’s retroactive error correction and requires a deliberate action to dismiss.
This is in sharp contrast with autocomplete. Instead of retroactive correction, autocomplete is proactive prediction, which is much less disruptive. Autocomplete is a 5- to 10-character window into the future, and it’s constructive in every way that spellcheck is destructive.
Oracles and Bicycles
So here’s the common thread: there’s a very qualitative distinction between agents that are “oracles” and tools that are “bicycles”. Oracles are very Q&A, very I/O, very call-and-response. Bicycles are very direct, very fluid, very analog. Bicycles expand the range of what a human can do; oracles do something that a human tells them to do. Oracles receive a command, go do something else somewhere else, and maybe come back and return a result. Bicycles integrate into our own selves. Pedals are just extensions of our feet; racquets are extensions of our arms; search engines are extensions of our memories. But oracles are their own “thing”, a independent entity, and a foreigner that has to be communicated with.
Sometimes this difference is a function of how information is displayed and how it reacts to the user. Terminals and REPLs are inherently oracles; spreadsheets connect our fingertips directly to raw information.
Other times it’s just a difference in the conceptual model that users construct. Some people think of Google as an oracle; others as a bicycle. Those who bicycle around Google aren’t just “better at Googling”; they have a fundamentally different view of what they're doing.
This isn’t to say that oracles are inherently wrong or that bicycles are always better. But there’s a huge difference between truly augmenting a human and merely interfacing with one. It’s important to know exacly which class of lever is appropriate for any given problem space.
“What a computer is to me is it’s the most remarkable tool that we’ve ever come up with, and it’s the equivalent of a bicycle for our minds.”


- A Message From Waren E. Buffett
- Annual & Interim Reports
- Link to SEC Filings
- Corporate Goverance
- Owner's Manual
- Letters from Warren E Buffett Regarding Pledges to Make Gifts of Berkshire Stock
- New Releases
- Warreeen Buffets's Letters to Berkshire Shareholders
- Charlie Munger's Letters to Wesco Shareholders
- Annual Meeting Information
- Celebrating 50 Years of a Profitable Partnership
- Comparitive Rights and Relative Prices of Class A and B Stock
- Berkshire Activewear
If you have any comments about our WEB page, you can either write us at the address shown above or emailus at<EMAIL_ADDRESS>However, due to limited number of personnel in our corporate office, we are unable to provide a direct response.
Legal Disclaimer
Copyright 1978-2015 Berkshire Hathaway Inc.


{% load static %}
{% if request.path == '/account' or request.path == '/network' or request.path == '/account/edit_profile/'%} {% include 'main/includes/profile_navbar.html' %} {% else %} {% include 'main/includes/navbar.html' %} {% endif %} {% include 'main/includes/fixed_action_button.html' %} {% include 'main/includes/messaging.html' %}


Road Warriors seek ‘T-T-B’ edge
NLEX seeks to secure the twice-to-beat advantage in the playoffs as it plays defending champion Magnolia today in the PBA Governors' Cup at the Ynares Center in Antipolo City.
Currently sitting on the top of the standings with a 7-1 record, the Road Warriors hope to sustain their impressive run in the season-ending tournament in the 6:45 p.m. duel with the Hotshots.
Meralco guns for its fifth consecutive win as it takes on NorthPort in the 4:30 p.m. curtain raiser.
With few games left in the elimination round, every team is looking to make a push and have a higher ranking in the playoffs.
NLEX won its fourth consecutive win at the expense of against Rain or Shine, 111-91, behind import Manny Harris' triple-double performance of 29 points, 12 rebounds and 11 assists.
Coach Yeng Guiao admitted that his Road Warriors never expected to enjoy this success right now.
"We're right in the position where we want to be. We never dreamed about this. Even in our own dreams we never expected to become the number one team in this conference," said Guiao.
"But we know that this is very fragile. A mistake could make everything fall apart. This is temporary and fragile. But I hope we can hold on to it as long as we can. What's important for us is to secure the top four.
We've never dreamed of being the top seed but if it's there. We'll take it." he added.
Magnolia currently holds a 5-4 record with its latest win coming from the hands of Phoenix, 97-81.
Coach Chito Victolero recognises the great challenge the Hotshots will have to overcome.
"They're the number one team right now and they have a very good import. We'll try to stop him but their team is not just about their import. We have to stop the whole NLEX team." said Victolero.
"They're very inspired right now. It's so hard play against them. Their big-men (JR) Quinahan and (Poy) Erram is playing very well. Especially their guards Kiefer (Ravena) and the others. I think it's a great match up for us." he added.
Meanwhile, the Bolts and the Batang Pier will go at it as both teams try to boost their respective playoff chances.
Meralco is tied with idle TNT in second place at 7-2 , while NorthPort is eyeing to maintain its spot at No. 8 with a 3-5 record.


| cov.rob {MASS} | R Documentation |
Compute a multivariate location and scale estimate with a high
breakdown point – this can be thought of as estimating the mean and
covariance of the good
part of the data. cov.mve
and
cov.mcd
are compatibility wrappers.
cov.rob(x, cor = FALSE, quantile.used = floor((n + p + 1)/2), method = c("mve", "mcd", "classical"), nsamp = "best", seed) cov.mve(...) cov.mcd(...)
x |
a matrix or data frame. |
cor |
should the returned result include a correlation matrix? |
quantile.used |
the minimum number of the data points regarded as |
method |
the method to be used – minimum volume ellipsoid, minimum
covariance determinant or classical product-moment. Using
|
nsamp |
the number of samples or |
seed |
the seed to be used for random sampling: see |
... |
arguments to |
For method "mve"
, an approximate search is made of a subset of
size quantile.used
with an enclosing ellipsoid of smallest volume; in
method "mcd"
it is the volume of the Gaussian confidence
ellipsoid, equivalently the determinant of the classical covariance
matrix, that is minimized. The mean of the subset provides a first
estimate of the location, and the rescaled covariance matrix a first
estimate of scatter. The Mahalanobis distances of all the points from
the location estimate for this covariance matrix are calculated, and
those points within the 97.5% point under Gaussian assumptions are
declared to be good
. The final estimates are the mean and rescaled
covariance of the good
points.
The rescaling is by the appropriate percentile under Gaussian data; in addition the first covariance matrix has an ad hoc finite-sample correction given by Marazzi.
For method "mve"
the search is made over ellipsoids determined
by the covariance matrix of p
of the data points. For method
"mcd"
an additional improvement step suggested by Rousseeuw and
van Driessen (1999) is used, in which once a subset of size
quantile.used
is selected, an ellipsoid based on its covariance
is tested (as this will have no larger a determinant, and may be smaller).
A list with components
center |
the final estimate of location. |
cov |
the final estimate of scatter. |
cor |
(only is |
sing |
message giving number of singular samples out of total |
crit |
the value of the criterion on log scale. For MCD this is the determinant, and for MVE it is proportional to the volume. |
best |
the subset used. For MVE the best sample, for MCD the best
set of size |
n.obs |
total number of observations. |
P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection. Wiley.
A. Marazzi (1993) Algorithms, Routines and S Functions for Robust Statistics. Wadsworth and Brooks/Cole.
P. J. Rousseeuw and B. C. van Zomeren (1990) Unmasking multivariate outliers and leverage points, Journal of the American Statistical Association, 85, 633–639.
P. J. Rousseeuw and K. van Driessen (1999) A fast algorithm for the minimum covariance determinant estimator. Technometrics 41, 212–223.
P. Rousseeuw and M. Hubert (1997) Recent developments in PROGRESS. In L1-Statistical Procedures and Related Topics ed Y. Dodge, IMS Lecture Notes volume 31, pp. 201–214.
set.seed(123) cov.rob(stackloss) cov.rob(stack.x, method = "mcd", nsamp = "exact")


Here is set of data from IoT_DATA table in ATP:
{{ json_output }}
Consume messages from OCI Stream and upload to ATP instance via OCI Functions.
Stream2ATPFn


You can run Python in your browser without installing anything onto your computer:
try.jupyter.org requires no sign-up. When the page loads, press the "New" button and select either "Python 2" or "Python 3"
cloud.sagemath.com requires you to create an account but provides a few more features
If you want to install Python and a collection of libraries for data analysis onto your computer, one relatively simple approach is to use anaconda. See below for other options.
There are many excellent Python tutorials on the web. Some of our favorites are:
Python is a general-purpose programming language. It was not developed specifically as a language for data management and analysis, but it works very well for that purpose.
In contrast, Matlab, R, and Julia are "domain specific languages" (DSL's). They were specifically designed for scientific computing and data analysis.
Python implementations exist for many platforms and hardware configurations. The core language and libraries behave in a highly consistent way across a variety of platforms (Windows, Linux, MacOS, many others).
Python is not an exotic or revolutionary language. It should seem obvious and natural to anyone familiar with generic "pseudo-code". It has a few distinguishing features, most notably, the use of indentation rather than braces to define code blocks.
Python itself is not very useful for scientific work. However by using Python together with some powerful libraries, many things become possible.
Here are the libraries that we discuss in our workshops:
Pandas: data management
Matplotlib: graphics and plotting
Statsmodels: statistical models and data analysis tools
Numpy: array processing and linear algebra, provides matrix algebra functionality similar to Matlab and R (but with some different syntax)
Scipy: numerical routines such as integration, optimization, and special functions
Python is an interpreted language like R and Matlab. It is possible to write code that runs reasonably quickly, but it is also possible to write code that performs poorly. There are many ways to write Python code that both performs well and is easy to read and maintain. One general principle for achieving good performance is to take advantage of libraries like Numpy that are implemented in C.
It is possible to write C extensions to Python. This is made particularly easy by using a tool called Cython. However, most users will rarely if ever need to use Cython.
The Python community is currently progressing through a transition from the "2 series" Python implementations to the "3 series" Python implementations. Python 3 scripts may not run in Python 2, and Python 2 scripts may not run in Python 3. Nearly all libraries have been substantially modified to work in both Python 2 and Python 3, and this process is now largely complete.
There are many small changes and a few large changes from Python 2 to Python 3. Many of these changes are of little consequence to most users of Python for scientific purposes.
The base Python interpreter has a simple command-line interface. Many powerful tools for working with Python scripts and interacting with the interpreter have been developed. These tools are surveyed here.
IPython -- a shell for working with Python interactively. This tool provides far more functionality than the basic Python command line. It can be run in a terminal (providing a text-only interface), and it is a component of many graphical and browser-based environments.
Jupyter (formerly known as the "IPython notebook") -- cell-based manipulation of Python code, runs in a browser. This is an ineractive graphical environment that embeds the standard text-based IPython command line.
Integrated Development Environments (IDEs):
Pdb -- a debugging tool built into many Python shells and IDE's
Automatic code checking:
Python environments for text editors -- modes for Emacs and Vim
Installing Python and its scientific libraries from scratch is possible, but is challenging and time consuming. The easiest way to get up and running quickly with Python is to either use a cloud service, or to install a bundled distribution of the entire scientific Python stack. Here are some Python distributions that are suitable for data analytic work:
Python-xy -- Windows only
If you use Linux or MacOS and have a working compiler like gcc in your system, you can install core Python by first downloading the source tarball (pythonxxx.tar.gz) from www.python.org, then following these steps (change pythonxxx to the specific file name):
tar --xz -xvf pythonxxx.tar.xz
cd pythonxxx
./configure
make
make install
Note that you need to have root access on the machine to do this. If you do not have root access, it is possible to install everything in an arbitrary location by replacing the configure step above with
./configure --prefix=/path/to/location
If you install Python in a non-standard location you will need to use the full path to the executable to launch it (or make an alias in your .bashrc or other shell configuration file).
Next you need to install each of the core libraries. Briefly, download an archive file for each library, e.g. numpyxxx.tar.gz, then
gunzip numpyxxx.tar.gz
tar -xvf numpyxxx.tar
cd numpyxxx
python setup.py install
Note that the gunzip and tar steps may differ depending on the archive
format (.tar.gz, .tar.bz2, .tar.xz, .zip). The python
command in
step 4 should invoke whichever Python installation on your system you
want to link to the libraries (i.e. if you have installed several
Pythons, you need to use the right one here).
An alternative way to install the libraries (but not Python itself) is
to use pip. To install numpy, for
example, using pip, type pip install numpy
into the command line of
your computer. Note that you may have several Python distributions
installed on your machine. Each distribution will have its own
directory tree and libraries, and its own copy of pip. You need to
use the pip that belongs to the python installation you intend to work
with when installing libraries to be accessed by that installation.
If you are using Anaconda Python, you can use the command conda
to
install packages, e.g. conda install numpy
.
vitualenv
is a utility that allows you to easily maintain multiple
independent Python environments. It is also useful if you want to
maintain only a single environment in a non-standard location.
If you use Windows and have administrator access to your system, you can scour the web for the core language and various libraries in self-extracting executable (*.exe) format, and install them by running them (double click on the *.exe).
A good resource for up-to-date windows packages for Python is here
Several services allow you to use Python without installing any software on your own machine. These services provide servers on which the scientific Python stack is installed. Users connect to these services through a web interface, so all you need to use them is a computer with a web browser. Many people see this approach as the future of scientific computing, but the current generation of cloud computing services for scientific Python has some limitations. Nevertheless, it is usable, especially for training and learning.
try.jupyter.org this site requires no sign-up but may not include a complete set of libraries.
Sage math cloud -- this service provides both the IPython notebook and their own notebook format. In addition to Python, they provide R, C, Fortran, and several other tools. Currently all accounts are free.
Wakari -- a commercial service provided by Continuum Analytics. They provide free accounts, but these are often unusable during busy times of day, and their free system is too slow for most real analyses. However it is quite useful for learning, teaching, and training. The system exclusively uses the IPython notebook, and does not support languages other than Python. It is fairly easy to configure your own environment (e.g. loading non-standard Python libraries).
The SCS servers (scs.itd.umich.edu) -- a U-M internal service, the "old school cloud" is a set of Linux servers. To use this system, you need to learn how to use ssh to connect to a remote machine, and use terminal tools like text editors (Emacs or Vim). These machines currently lack an updated Python distribution with all the libraries discussed here, but with some work it is possible to install everything in "user space".


About Tim Hayes
With over 15 years of executive management experience, developing media products from conception through delivery, Tim Hayes has consistently delivered quality results for high profile clients. Tim ran the operational side of a content development company for over a decade, threading processes across content, creative and technology teams. He directed client-facing project management, technology and product delivery teams to deliver large-scale publishing products.
Tim is entering a new phase of his career by translating his expert project management skills to product planning and development. His aim is to be closer to user needs and to develop rich interactive experiences. He is currently taking on consulting opportunities while completing a Masters of Science in Information Architecture at the Illinois Institute of Technology. Tim’s research explores content strategy and management, information design, user experience, rich internet applications, mobile delivery platforms and information architecture.
Current Service Offerings
- Web, Print & Mobile Application Development
- Development and integration of print, interactive and mobile solutions for brand development, content source sites and task-based applications. Information Architecture/User Experience
- Information Architecture, Interaction Design, and User Experience services, including documentation and implementation plans.
- Content Strategy/CMS Development
- Content and workflow management strategies that optimize product development processes, including audits, data modeling, reuse mapping and single sourcing. Program Management
- Complete program/platform management, utilizing Waterfall, Agile and hybrid methodologies. Project Management Strategy Certification from the University of Chicago. Tim has completed the professional experience and academic credentials for the PMP certification and will take the exam later this Fall.
- Tim has developed an array of content, creative, and technical experts to collaborate on strategic development iniatives and high-volume delivery projects.


48yo Uses Full Pilot Costume to Skip Queues & Security Checks at Airport, Also Makes TikTok Videos
by AlenaTap to listen to this article instead: 🔊 Listen to Post
When we were younger we would always pretend to be something that we’re not – often some career or person we aspired to, for example, a doctor, a teacher or maybe even a family member. However, this man has been pretending to be a pilot just to skip a few queues.
A man in New Delhi, Rajan Mahbubani, 48 has been arrested for pretending to be a pilot of the German airline, Lufthansa.
According to Sinar, Rajan wore a complete pilot uniform to skip queues and security checks. However, he was arrested on Tuesday evening, 19th November, when he tried to board a plane to Calcutta.
It was reported that Rajan even has a fake pilot ID, and he has used it couple of times to get perks at airports. His impersonation had apparently worked for quite a while before Tuesday. His secret was revealed when a Lufthansa employee alerted airport security that a “suspected passenger was impersonating a captain of Lufthansa airlines.”
Rajan later admitted to the crime and said that he does it to have easy access during security checks and special privileges from security agencies as well as airlines. He has also said that he used to shoot Youtube videos and TikToks in full uniform, and he got his fake ID from Thailand.
As he is kind of famous, airport security has been keeping an eye out for him. After further investigations, the police actually found photos of Rajan in different uniforms like this one!
Rajan now in custody facing charges of cheating and impersonating. If found guilty he could be put in jail for a year or receive a fine, or both.
That is undoubtedly a very funny story, however, we advise our readers to not follow suit as this, at the end of the day is still a crime.
Also read: Pilot Banned For Life After Allowing Pretty Female Passenger To “Yumcha” In Cockpit


This program handles the conversion of Arabic numbers to the equivalent Roman numeral and back.
The user is prompted to enter either an Arabic number or a Roman numeral in the appropriate field. The corresponding equivalent is updated in real-time.
The code consists of the ArabicToRoman class that extends JFrame. Two JTextField objects are created for the input, and the inner class KeyHandler listens for keyboard events.
As the user enters a number in either field, the key release is heard by the KeyHandler object and a method is called to update the other text field to the equivalent amount entered.
Roman numeral strings are read from left to right to convert to Arabic. After conversion, the Arabic number is converted right back as a way to ensure correct formatting of the Roman numeral string.
Arabic numbers are assessed by the largest equivalent of Roman numeral/s, which is then subtracted from the amount and the numeral is appended to the Roman numeral string. This is repeated until 0 and the result is written to the JTextField.


| info-namespace |
arxiv |
| namespace-title |
Namespace for arXiv.org identifiers |
| registration-date |
2006-02-07 |
| namespace-authority |
| organisation-name |
arXiv.org e-print archive |
| organisation-address |
301 College Ave., Ithaca, NY 14850, USA |
| organisation-uri |
http://arxiv.org/ |
| contact-person |
Simeon Warner |
| contact-email |
<EMAIL_ADDRESS>|
| contact-tel |
607 254 8605 |
| contact-uri |
|
|
| identifier-syntax |
| description |
Identifiers in the arxiv namespace are used to identify 'papers' in the
arXiv.org e-print repository. The syntax of the identifier is of the form:
info:arxiv/<internal_id>
where:
<internal_id> is the arXiv.org paper identifier
<internal_id> = <archive> '/' <papernum>
<archive> is the archive name with the repository
<archive> = <lcletter> *( <lcletter> | '-' )
<papernum> is the number of a given paper within the archive
<papernum> = 7*<digit>
<lcletter> = 'a' - 'z'
<digit> = '0' - '9'
At present, <papernum> is always 7 digits but this is likely to be
increased in the near future.
A 'paper' in arXiv may include one or more versions of an article or may have
been deleted. Each version may be composed a number of files in different
formats and a number of disseminations may also be available. As with historical
use of arXiv's internal identifiers, info: identifiers using the format above
identify the compound digital object including all versions.
It is intended to extend this identifier syntax to identify versions and
components of papers. |
| uri |
|
|
| identifier-normalization |
| description |
Identifiers in this namespace are case sensitive. At present this means that all
letters will be lower case. |
| uri |
|
|
| identifier-examples |
| identifier-example |
| native |
hep-th/9901001 |
| info-uri |
info:arxiv/hep-th/9901001 |
|
| identifier-example |
|
| identifier-example |
|
|
| namespace-information |
|
| service-mechanism |
|


|
JANA2
|
JSessionWindow aggregates JMessages adaptively, i.e. More...
#include <JWindow.h>
Public Member Functions | |
| JSessionWindow (Timestamp event_interval, const std::vector< DetectorId > &detectors) | |
| void | pushMessage (T *message) final |
| bool | pullEvent (JEvent &event) final |
| JSessionWindow (Timestamp event_interval, const std::vector< DetectorId > &detectors) | |
| void | pushMessage (T *message) final |
| bool | pullEvent (JEvent &event) final |
JSessionWindow aggregates JMessages adaptively, i.e.
a JEvent's time interval starts with the first JMessage and ends once there are no more JMessages timestamped before a configurable max interval width. This is usually what is meant by 'event-building'.


Lorem ipsum dolor sit amet, consectetur adipiscing.
Nam sollicitudin velit quam, vel gravida enim blandit.
Mauris ac odio mollis, tincidunt tellus eget, gravida.
Fusce iaculis urna at ligula pellentesque viverra.
Lorem ipsum dolor sit amet, consectetur adipiscing.
Nam sollicitudin velit quam, vel gravida enim blandit.
Mauris ac odio mollis, tincidunt tellus eget, gravida.
Fusce iaculis urna at ligula
Lorem ipsum dolor sit amet, consectetur adipiscing.
Nam sollicitudin velit quam, vel gravida enim blandit.
Mauris ac odio mollis, tincidunt tellus eget, gravida.
Fusce iaculis urna at ligula
Lorem ipsum dolor sit amet, consectetur adipiscing.
Nam sollicitudin velit quam, vel gravida enim blandit.
Mauris ac odio mollis, tincidunt tellus eget, gravida.
Fusce iaculis urna at ligula
Lorem ipsum dolor sit amet, consectetur adipiscing.
Nam sollicitudin velit quam, vel gravida enim blandit.
Mauris ac odio mollis, tincidunt tellus eget, gravida.
Fusce iaculis urna at ligula
Lorem ipsum dolor sit amet, consectetur adipiscing.
Nam sollicitudin velit quam, vel gravida enim blandit.
Mauris ac odio mollis, tincidunt tellus eget, gravida.
Fusce iaculis urna at ligula
Certified Nurses Available for Home Visits
Trained Caregivers
Prevent Illness
Shorten Hospital Stay
Stay-in Place
Healthcare Scheduling
Home Medical Equipment
Home Modification
Transportation
Heavy Duty Cleaning
Home Meals or Delivered
Home Chores
After 38 years of providing leading, multi-cultural home care services in the Chicagoland area, we know without a doubt that what makes ASI successful is all about our caregivers. ASI cares for its caregivers with passion. In turn they pass on this caring and compassionate spirit to our clients. They are the very foundation of our ongoing success and what sets us apart from any other home care agency.
ASI is one of the few agencies that offers health and disability insurance benefits to their employees; as well as occupational health via Norwegian American Hospital Corporate Health Program. As such, we retain our caregivers longer than most agencies. Many of our caregivers have been with us 10 years or more and 94% of ASI clients give the agency an overall rating of Very Good or Excellent.
As a home care agency of choice, we are always on the lookout for compassionate, honest and intuitive caregivers to join our family of service providers. In many cases, people seeking employment at ASI are already passionate about providing service to others and may have been in a caregiving role in their personal lives.
Professional caregiving allows candidates to develop their innate caregiving skills into a fulfilling and rewarding career of helping others reach and maintain independent, dignified lives. Click below to find out more about our award winning training program and how you can get started on a rewarding career in home care.
As always, ASI is an Equal Opportunity Employer. We consider applicants for all positions without regard to race, color, religion, creed, gender, national origin, age, disability, marital or veteran status, or any other legally protected status.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.
Customer 1
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.
Customer 2
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.
Customer 3
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.
Customer 4


Jane was born in Kroakerville. Jane has three pet robots. Jane learned to read and write javascript. Janes robots can also read and write Javascript. Every night they would sit by a fire, drink tea, and share Javascript.


2020 Mahindra Scorpio Interior Spotted Revealing More Updates
by Surendhar M2020 Mahindra Scorpio could make its global debut at the upcoming Auto Expo before going on sale with a range of exterior and interior changes
Mahindra & Mahindra is planning for an overhaul of its many SUVs including the Scorpio, Thar and XUV500. The test mules of the trio have already been spotted testing across the country. The 2020 Mahindra Scorpio and Thar, in particular, are expected to debut at the upcoming Auto Expo in February.
The Scorpio plays an integral role in Mahindra garnering high sales volumes. On sale since 2002, the workhorse has undergone two major facelifts in its lifecycle. One in 2006 and the most recent update in 2014. The upcoming model though appears to be a radical departure from the existing Scorpio.
The spy pictures posted by us here show a thorough glimpse of the possible interior changes. Despite being covered in camouflage, some of the cabin elements can be clearly seen. The centre console and the control dials look almost similar to the one used in the existing Scorpio, as does the chunky steering wheel with mounted controls.
Mahindra could enhance the premium finish of the dashboard and other areas alongside updating the material quality. Moreover, the dual-tone cabin colour scheme will also likely see a revision. The high-end variants will boast a larger touchscreen infotainment system with Apple CarPlay and Android Auto connectivity.
The test mule had it positioned in the middle and it could be an eight-inch unit as opposed to the seven-incher currently present especially in the range-topping grades. An all-digital instrument cluster could also be offered but the layout remains the same in the test prototype.
In order to meet the stringent crash test standards, the 2020 Mahindra Scorpio is expected to feature a third row with forward-facing seat setup. The overall dimensions of the forthcoming Scorpio have also grown leading to more room for the occupants inside the cabin.
As for the powertrain, it is believed to use an all-new 2.0-litre four-cylinder diesel engine that will also power the second-gen Thar. It will be BSVI compliant right from the word go and it could be mated to either a manual or an automatic transmission.


5
1 After Solomon's workers had finished building the temple, Solomon put in the temple storerooms everything that his father David had dedicated to Yahweh—all the silver and gold and all the other things that were used at the temple.
2 Then King Solomon summoned to Jerusalem all the elders of Israel, all the leaders of the tribes and of the families. He wanted them to join in bringing to the temple Yahweh's sacred chest from Mount Zion, where it was in the part of the city called the city of David.
3 So all the leaders of Israel gathered together with the king, during the Festival of Shelters, in the seventh month.
4 When they had all arrived, the descendants of Levi lifted up the sacred chest,
5 and they carried it and the sacred tent and the sacred things that were inside it. The priests, who were also descended from Levi, carried them.
6 King Solomon and many of the other people of Israel who had gathered there walked in front of the sacred chest. And they sacrificed a huge amount of sheep and bulls. No one was able to count them because there were very many.
7 The priests then brought the sacred chest into the very holy place, into the inner room of the temple, and they placed it under the wings of the figures of winged creatures.
8 The wings of those figures spread out over the sacred chest and over the poles by which it was carried.
9 The poles were very long, with the result that they could be seen by people who were standing the entrance to the very holy place, but they could not be seen by anyone standing outside the temple. Those poles are still there.
10 The only things that were inside the sacred chest were the two stone tablets that Moses had put there at Mount Sinai, where Yahweh had made a covenant with the Israelites after they came out of Egypt.
11 Then the priests left the holy place in the temple. All the priests who were there, from every one of theirs groups, had set themselves apart from others and performed the cleansing rituals God required of them before they could serve him.
12 All the descendants of Levi who were musicians—Asaph, Heman, Jeduthun, their sons and their other relatives—stood on the east side of the altar. They were wearing linen clothes, and they were playing cymbals, harps, and lyres. There were 120 other priests who were blowing trumpets.
13 The men blowing trumpets, those playing the cymbals and other musical instruments, and the singers, made music together, praising Yahweh and singing this song:
"Yahweh is good to us;
he faithfully loves us forever."
Then suddenly the temple was filled with a cloud.
14 The glory of Yahweh filled the temple, with the result that the priests were not able to continue doing their work.


Introducing Digester
Subscribe to various services (Twitter, Blogs, Github) and receive updates in weekly (or daily) digests via E-Mail
Notes
Sadly, this page only works with Javascript enabled.


I have been thinking of creating a personal website for quite some time.
Thanks to the free copy of the Bootstrap Studio from GitHub student account.... I can finally make a beautiful (I think so) website by myself. Obviously, there are many problems related to the design. If you have any suggestion, I will be happy to learn from you!
The background image of this page is the museum ship USS Alabama I took a while back. I like warships, especially the WWII era ones very much. I have visited quite a lot of those old ships. Apparently, I don't know how to take a good photo, but I think this one is pretty good.
I will be sharing some fun stuff in the future. Well, at least I think they will be fun.
Stay tuned!


ABOUT ME
A bit more, in case you were wondering-
Skills and Qualifications:
- Espresso
- High-Volume/Fast Paced Environments
- Craft Cocktail
- Bilingual
Interests and Hobbies
- Indoor Gardening & Houseplant Enthusiast
- Drums and Guitar
- South American Poetry
- Latin Dancing


--- title: Foundations Requirements keywords: requirements sidebar: capability_one_sidebar level: one toc: false permalink: foundations_reqs.html folder: product1 ---
| Ref | Description |
|---|---|
| MSCA-ORG-01 | The deploying organisation MUST conform with the Acceptable Use Policy for Spine Mini Services |
| Note 1 |
Spine Mini Services may be used by NHS Organisations, for the purposes of provision of care.
Any other uses will be considered on a case by case basis - they MUST be proposed and agreed in writing by HSCIC. |
| Ref | Description |
|---|---|
| MSCA-ORG-02 | The deploying organisation MUST put in place back-office data quality processes to handle any discrepancies which the use of Spine Mini Services reveal |
| Note 1 |
Spine Mini Services provide access to National Systems. This is likely to lead to discrepancies being discovered with local records. Back office data qualityprocesses MUST be put in place to handle this, including:
|
| Ref | Description |
|---|---|
| MSCA-ORG-03 | The deploying organisation MUST consider the impact of rolling out Spine Mini Services on staff and job roles |
| Note 1 |
Typically the use of Spine Mini Services will increase the role of front-line staff in confirming that demographic details are entered correctly at the point of capture. Whilst this has many advantages, it is essential that any implications of this additional activity are considered, and any necessary training is provided. Piloting and a phased rollout would typically be used as part of this approach. |
| Ref | Description |
|---|---|
| MSCA-IG-01 | The Mini Services Client Application MUST provide RBAC control over access to its features |
| Note 1 |
The Mini Services Client Application MUST protect is functionality with RBAC controls sufficient to meet IG Requirements for a system accessing Spine data. This includes:
Note that the use of local RBAC is acceptable |
| Ref | Description |
|---|---|
| MSCA-IG-02 | The Mini Services Client Application MUST provide authentication control over access to its administration and other features |
| Note 1 |
Authentication MUST be based on a user identity which is then authenticated at least through the use of a separate password.
|
| Ref | Description |
|---|---|
| MSCA-IG-03 | The Mini Services Client Application MUST display basic security context information to the user |
| Note 1 |
This includes:
|
| Ref | Description |
|---|---|
| MSCA-IG-04 | The Mini Services Client Application SHOULD ensure appropriate labelling of personal data |
| Note 1 | This includes protective labelling of personal data both on-screen and in printed output. |
| Ref | Description |
|---|---|
| MSCA-IG-05 | The Mini Services Client Application MUST be hosted in a managed and secure environment |
| Note 1 | The capability and responsibility of the deploying organisation, and acknowledgement of the risk ownership, is to be demonstrated through the maintenance of an approved IG Statement of Compliance (IGSoC1) |
| Ref | Description |
|---|---|
| MSCA-AUD-01 | The Mini Services Client Application MUST provide a secure audit trail |
| Note 1 |
This includes:
|
| Ref | Description |
|---|---|
| MSCA-AUD-02 | Events that MUST be audited |
| Note 1 |
The Mini Services Client Application MUST audit all relevant events, sufficient to meet IG Requirements for a system accessing National Systems data. This includes:
|
| Ref | Description |
|---|---|
| MSCA-AUD-03 | Data Items that MUST be audited |
| Note 1 |
The Mini Services Client Application MUST capture relevant data items in the audit store sufficient to meet IG Requirements for a system accessing National Systems data. This includes:
|
| Ref | Description |
|---|---|
| MSCA-AUD-04 | The Mini Services Client Application MUST provide an Audit Identifier for the initiating user when calling Spine Mini Services |
| Note 1 |
The ITK Distribution Envelope provides an “Audit Identifier” field for the purpose of allowing the client application to pass an identity for the end user initiating the Mini Services request.
|
| Note 2 |
An SMSP itk audit identity may look like this. type="1.2.826.0.12<IP_ADDRESS>.107" uri="868000003114" Where the uri value is the accredited system id (asid)of the connected cunsumer system. |
| Ref | Description |
|---|---|
| MSCA-AUD-05 | Audit entries MUST be available on a queryable interface |
| Note 1 |
The Mini Services Client Application MUST provide an interface for interrogating the audit log sufficient to meet IG Requirements for a system accessing National Systems data. Searchable parameters MUST include user identifier, Message ID, Patient ID, date/time. |
| Ref | Description |
|---|---|
| MSCA-AUD-06 | The Mini Services Client Application MUST utilise a Stratum 3 time source as a minimum |
| Note 1 |
The Mini Services Client Application MUST utilise a Stratum 3 time source as a minimum however implementers SHOULD consider the use of Stratum 2 or above. This enables meaningful comparison and sorting of messages based on timestamps. It is particularly important to enable an end-to-end trace of events to be established all the way from the Mini Services Client Application, through the SMSP. |
| Ref | Description |
|---|---|
| MSCA-AUD-07 | Audit timestamps generated by Mini Services Client Application MUST comply with issued guidance on time zones |


You wont find it cheaper anywhere
Promo code can be applied on payment page
Your favourite items are just a click away


For more information see http://timo.gnambs.at.

<link rel="stylesheet" type="text/css" href="src/jquery.bart.css" />
id
-attribute (here: "bart"):

id
defined in step 2 (see head of src/jquery.bart.js
for configuration options):

There are several hooks to define your own functions that are invoked after starting the test (onload
), after finishing the test (onend
), after displaying a balloon (onstart
), after inflating an balloon (oninflate
), and after an explosion (onexplode
). Here the function myexplode
is run each time a balloon explodes:
// user-defined function invoked after an explosion
var myexplode = function() { alert('BOOM! Better luck next time!'); }
The function myload
is run one time right after the BART has been loaded and the user can start the test:
// user-defined function invoked when starting the BART
var myload = function() { alert('Good luck!'); }
The function myend
is run one time right after finishing the BART. Here the number of points are calculated based on the data saved to the hidden form elements:
// user-defined function invoked after finishing the BART
var myend = function() {
var points = 0;
for(var i = 1; i <= 5; i++) { // run over all balloons
if(Number($('#expl' + i).attr('value')) == 0) {
points = points + Number($('#pump' + i).attr('value')) // get information saved to the hidden form element
}
}
alert('You achieved ' + points + ' points.');
}


--- layout: post title: Move of Lidar in progress. Trucks starting to roll date: '2010-07-20T12:55:00.000-04:00' author: Bob Sica tags: modified_time: '2011-12-21T12:48:50.318-05:00' blogger_id: tag:blogger.com,1999:blog-736339229338318027.post-443204629541811160 blogger_orig_url: http://blog.purplecrowlidar.ca/2010/07/move-of-lidar-in-progress-trucks.html ---


Purpose
I got tired of losing my filters when I switched machines so I created this repo.
Actions
Coverage
Lists
If you'd like to use any of the filter lists in this repo click the bellow links for AdBlock / AdBlock Plus / uBlock Origin:
FAQ
Q: Do you support any other adblockers such as AdGuard etc?
A: Only AdBlock / AdBlock Plus / uBlock Origin are supported at this time.
Attributions
Some scripts have been "borrowed" from Fanboy
Bugs
Please report any bugs or issues you find. Thanks!


---
layout: page
title: "About"
description: ""
active: about
header-img: "img/about-bg.jpg"
---
ABOUT THIS SITE
Life moves fast. A photo seemingly stops time, allowing the often overlooked details to come into focus. This website pauses life, slowing it down to capture the little things while also providing a glimpse into the far corners of the world and all the adventures they hold.
Full resolution pictures available upon request. Please reach out via Facebook or Instagram.


Daily music!
music will go here!
play
Volume
Music Specials for Every Day of the Week
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday


| Version: |
1.1.1 |
| Depends: |
R (≥ 3.1.0) |
| Imports: |
bit64, blob (≥ 1.1.1), DBI (≥ 1.0.0), hms, methods, Rcpp (≥
<IP_ADDRESS>), withr |
| LinkingTo: |
BH, plogr (≥ 0.2.0), Rcpp |
| Suggests: |
DBItest, testthat |
| Published: |
2018-05-06 |
| Author: |
Hadley Wickham [aut],
Jeroen Ooms [aut],
Kirill Müller [aut, cre],
RStudio [cph],
R Consortium [fnd],
Tomoaki Nishiyama [ctb] (Code for encoding vectors into strings derived
from RPostgreSQL) |
| Maintainer: |
Kirill Müller <krlmlr+r at mailbox.org> |
| BugReports: |
https://github.com/r-dbi/RPostgres/issues |
| License: |
GPL-2 |
| URL: |
https://github.com/r-dbi/RPostgres |
| NeedsCompilation: |
yes |
| SystemRequirements: |
libpq >= 9.0: libpq-dev (deb) or postgresql-devel
(rpm) |
| Materials: |
README NEWS |
| In views: |
Databases |
| CRAN checks: |
RPostgres results |


ERRORERUDA
BASED ON ERUDA DEVELOPMENT AND DEBUGGING, FAULT MONITORING REPORT, THE USER LOCATION PROBLEM.
基于ERUDA开发调试发布，错误监控上报，用户问题定位
DOCS
Click me 6 times!
GitHub
AlloyTeam
Eruda


comocma.hv.HyperVolume
class documentationcomocma.hv
(View In Hierarchy)
Hypervolume computation based on variant 3 of the algorithm in the paper: C. M. Fonseca, L. Paquete, and M. Lopez-Ibanez. An improved dimension-sweep algorithm for the hypervolume indicator. In IEEE Congress on Evolutionary Computation, pages 1157-1163, Vancouver, Canada, July 2006.
Minimization is implicitly assumed here!
| Method | __init__ | Constructor. |
| Method | compute | Returns the hypervolume that is dominated by a non-dominated front. |
| Method | hvRecursive | Recursive call to hypervolume calculation. |
| Method | preProcess | Sets up the list data structure needed for calculation. |
| Method | sortByDimension | Sorts the list of nodes by the i-th value of the contained points. |
Returns the hypervolume that is dominated by a non-dominated front.
Before the HV computation, front and reference point are translated, so that the reference point is [0, ..., 0].


/** @module server/Server */
import http from 'http';
import express from 'express';
import socket from 'socket.io';
/** Server is a wrapper class around an express server and socket.io */
export default class Server {
/**
* Creates a new wrapper for managing an express server and socket.io
* binding.
* @constructor
* @param {*} path - Path for the folder to serve static files from.
*/
constructor(path) {
this.path = path;
this.app = express();
/* eslint-disable new-cap */
this.server = http.Server(this.app);
this.io = socket(this.server);
this.events = {};
this.port = null;
this.callback = () => {};
}
/**
* Registers the callback for the given event. All events must have been
* registered before the server is started. Registering a callback for the
* start event is only called after the server is started, not for start
* events recieved by socket.io.
* @param {*} event - Name of the event to register the callback against.
* @param {*} callback - Callback if the event is triggered.
*/
on(event, callback) {
if (event === 'start') {
this.callback = callback;
if (this.port !== null) {
callback(this.port);
return;
}
}
this.events[event] = callback;
}
/**
* Returns the callback registered with the given event.
* @param {*} event - Name of the event to retrieve the callback.
* @return {function} callback - Function wrapping callback with logging.
*/
for(event) {
return (data) => {
console.log(`on: ${event}: ${JSON.stringify(data)}`);
const callback = this.events[event];
callback(data);
};
}
/**
* Starts the server listening on the provided port. If a listener is
* defined for the start event, it will be called.
* @param {Number} port - Port to bind the express server to.
*/
start(port) {
console.log('server: ', this.path);
this.app.use(express.static(this.path));
this.io.on('connection', (socket) => {
Object.keys(this.events).forEach((event) => {
socket.on(event, this.for(event));
});
});
this.server.listen(port, null, null, () => {
this.port = port;
this.callback(port);
});
}
/** Closes the express server if it is defined. */
close() {
if (this.server !== null && this.server !== undefined) {
this.server.close();
}
}
}


|
My Project
|
test class for unit testing; More...
#include <gtest/gtest.h>
#include <memory>
#include "../include/map.h"
#include "../include/node.h"
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"
Functions | |
| TEST (MapTest, classInitialization) | |
| Test for map class initialization. | |
| TEST (MapTest, classConstructor) | |
| Test for map class constructor. | |
| TEST (MapTest, robotAndGoalLocation) | |
| Test for start and end node location. | |
| TEST (MapTest, obstacleDetect) | |
| Test for obstacle detection. | |
| TEST (MapTest, endNodeCoordinates) | |
| Get coordinates of end nodes. | |
| TEST (MapTest, nodeCheck) | |
| Test to check if node is on obstacle. | |
| TEST (MapTest, randomNodes) | |
| Test to check random node generation. | |
| TEST (MapTest, getNodeTest) | |
| Test to get random node in current area. More... | |
| TEST (MapTest, generateNeighbours) | |
| Test to generate Neighbours. More... | |
| TEST (MapTest, findOptimumPath) | |
| Test for optimum path generation. | |
| TEST (NodeTest, initializeNodeClass) | |
| Test for Node class initialization. | |
| TEST (NodeTest, classConstructor) | |
| Test for Node class constructor. | |
| TEST (NodeTest, heuristicDistance) | |
| Test for heuristic distance of the Node. | |
test class for unit testing;
This file implements Google test which is unit testing library for C++ programming language.
| TEST | ( | MapTest | , |
| getNodeTest | |||
| ) |
Test to get random node in current area.
! Since this random node generation range is kept high It should get node anywhere in 50X50px from given values of parameters in getNode();
| TEST | ( | MapTest | , |
| generateNeighbours | |||
| ) |
Test to generate Neighbours.
! Distance between node and neighbour must within range of 0 to 150.


--- type: utility title: Color dots usage: Display a status.' stylesheet: '/scss/elements/color-dot.scss' ---
Standard color dots
Flashing color dots
Color dot aligned with text


sync.Once.done (field) 4 uses sync (current package) once.go#L20: done uint32 once.go#L57: if atomic.LoadUint32(&o.done) == 0 { once.go#L66: if o.done == 0 { once.go#L67: defer atomic.StoreUint32(&o.done, 1)
The pages are generated with Golds v0.2.7-preview. (GOOS=darwin GOARCH=amd64)


Back to Home
List MVP
Quick and easy List-based MVP page
Add Your Info
What is your website's homepage URL?
What is your Twitter account?
Write a short bio
What is two plus eight multiplied by two?
Save


| Book of Mormon |
Annotations |
|
Chapter 3
|
|
|
1 And it came to pass that I, Nephi, returned from
speaking with the Lord, to the tent of my father.
|
|
|
2 And it came to pass that he spake unto me, saying:
Behold I have dreamed a dream, in the which the Lord hath commanded me that
thou and thy brethren shall return to Jerusalem.
|
|
|
3 For behold, Laban hath the record of the Jews and also a
genealogy of my forefathers, and they are engraven upon plates of brass.
|
|
|
4 Wherefore, the Lord hath commanded me that thou and thy
brothers should go unto the house of Laban, and seek the records, and bring
them down hither into the wilderness.
|
At least 360 miles plus 6 days round trip. (see 1 Ne
2:5-6)
|
|
5 And now, behold thy brothers murmur, saying it is a hard
thing which I have required of them; but behold I have not required it of
them, but it is a commandment of the Lord.
|
|
|
6 Therefore go, my son, and thou shalt be favored of the
Lord, because thou hast not murmured.
|
|
|
7 And it came to pass that I, Nephi, said unto my father:
I will go and do the things which the Lord hath commanded, for I know that
the Lord giveth no commandments unto the children of men, save he shall
prepare a way for them that they may accomplish the thing which he commandeth
them.
|
|
|
8 And it came to pass that when my father had heard these
words he was exceedingly glad, for he knew that I had been blessed of the
Lord.
|
|
|
9 And I, Nephi, and my brethren took our journey in the
wilderness, with our tents, to go up to the land of Jerusalem.
|
|
|
10 And it came to pass that when we had gone up to the
land of Jerusalem, I and my brethren did consult one with another.
|
|
|
11 And we cast lots—who of us should go in unto the house
of Laban. And it came to pass that the lot fell upon Laman; and Laman went in
unto the house of Laban, and he talked with him as he sat in his house.
|
|
|
12 And he desired of Laban the records which were engraven
upon the plates of brass, which contained the genealogy of my father.
|
|
|
13 And behold, it came to pass that Laban was angry, and
thrust him out from his presence; and he would not that he should have the
records. Wherefore, he said unto him: Behold thou art a robber, and I will
slay thee.
|
|
|
14 But Laman fled out of his presence, and told the things
which Laban had done, unto us. And we began to be exceedingly sorrowful, and
my brethren were about to return unto my father in the wilderness.
|
|
|
15 But behold I said unto them that: As the Lord liveth,
and as we live, we will not go down unto our father in the wilderness until
we have accomplished the thing which the Lord hath commanded us.
|
|
|
16 Wherefore, let us be faithful in keeping the
commandments of the Lord; therefore let us go down to the land of our father’s
inheritance, for behold he left gold and silver, and all manner of riches.
And all this he hath done because of the commandments of the Lord.
|
|
|
17 For he knew that Jerusalem must be destroyed, because
of the wickedness of the people.
|
|
|
18 For behold, they have rejected the words of the
prophets. Wherefore, if my father should dwell in the land after he hath been
commanded to flee out of the land, behold, he would also perish. Wherefore,
it must needs be that he flee out of the land.
|
|
|
19 And behold, it is wisdom in God that we should obtain
these records, that we may preserve unto our children the language of our
fathers;
|
One purpose of bringing the plates of brass is to preserve
the language of their fathers. This would be either Egyptian (see 1Ne 1:2) or
Hebrew. There is absolutely no evidence of such languages or derivatives of
these languages in pre-Columbian Americas.
|
|
20 And also that we may preserve unto them the words which
have been spoken by the mouth of all the holy prophets, which have been
delivered unto them by the Spirit and power of God, since the world began,
even down unto this present time.
|
|
|
21 And it came to pass that after this manner of language
did I persuade my brethren, that they might be faithful in keeping the
commandments of God.
|
|
|
22 And it came to pass that we went down to the land of
our inheritance, and we did gather together our gold, and our silver, and our
precious things.
|
|
|
23 And after we had gathered these things together, we
went up again unto the house of Laban.
|
|
|
24 And it came to pass that we went in unto Laban, and
desired him that he would give unto us the records which were engraven upon
the plates of brass, for which we would give unto him our gold, and our
silver, and all our precious things.
|
|
|
25 And it came to pass that when Laban saw our property,
and that it was exceedingly great, he did lust after it, insomuch that he
thrust us out, and sent his servants to slay us, that he might obtain our
property.
|
|
|
26 And it came to pass that we did flee before the
servants of Laban, and we were obliged to leave behind our property, and it
fell into the hands of Laban.
|
|
|
27 And it came to pass that we fled into the wilderness,
and the servants of Laban did not overtake us, and we hid ourselves in the
cavity of a rock.
|
|
|
28 And it came to pass that Laman was angry with me, and
also with my father; and also was Lemuel, for he hearkened unto the words of
Laman. Wherefore Laman and Lemuel did speak many hard words unto us, their
younger brothers, and they did smite us even with a rod.
|
|
|
29 And it came to pass as they smote us with a rod, behold,
an angel of the Lord came and stood before them, and he spake unto them,
saying: Why do ye smite your younger brother with a rod? Know ye not that the
Lord hath chosen him to be a ruler over you, and this because of your
iniquities? Behold ye shall go up to Jerusalem again, and the Lord will
deliver Laban into your hands.
|
|
|
30 And after the angel had spoken unto us, he departed.
|
|
|
31 And after the angel had departed, Laman and Lemuel
again began to murmur, saying: How is it possible that the Lord will deliver
Laban into our hands? Behold, he is a mighty man, and he can command fifty,
yea, even he can slay fifty; then why not us?
|
|


| Moving Around | |
|---|---|
| Move player | W, A, S, D, Q, E |
| Rotate camera | Move mouse |
| Pause game | Escape |
| Building | |
|---|---|
| Add cube | SHIFT + Mouse Click |
| Delete cube | CMD + Mouse Click |
| Drag cube | Click + Move mouse |
| Undo | CMD + Z |
| Redo | SHIFT + CMD + Z |
| Horizon | H |
| Change color | Bottom right box |