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Algorithms
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						Page: <a href="http://lrei.wikidot.com/ai">Artificial Intelligence</a> (ai)<br/>Current revision number: 7<br/>Date changed: Mon, 13 Oct 2008 14:08:58 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Artificial Intelligence, Machine Learning, Robotics and more! Algorithms A* Run-length encoding (data compression) Misc Springer LNCS: Information For Authors -namely the...
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				<title>&quot;FEUP - Faculty Of Engineering University of Porto&quot; - source change</title>
				<link>http://lrei.wikidot.com/feup</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/feup&quot;&gt;FEUP - Faculty Of Engineering University of Porto&lt;/a&gt; (feup)&lt;br/&gt;Current revision number: 33&lt;br/&gt;Date changed: Wed, 08 Oct 2008 21:42:49 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;FEUP - Faculdade de Engenharia - Faculty of Engineering (Portugal)
UP - Universidade do Porto - University of Porto
Disclaimer: No warranty of any kind! Every piece of code or whatever in this page...</description>
				<pubDate>Wed, 08 Oct 2008 21:42:49 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/feup">FEUP - Faculty Of Engineering University of Porto</a> (feup)<br/>Current revision number: 33<br/>Date changed: Wed, 08 Oct 2008 21:42:49 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>FEUP - Faculdade de Engenharia - Faculty of Engineering (Portugal) UP - Universidade do Porto - University of Porto Disclaimer: No warranty of any kind! Every piece of code or whatever in this page...
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				<title>&quot;Statistics&quot; - source change</title>
				<link>http://lrei.wikidot.com/statistics</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/statistics&quot;&gt;Statistics&lt;/a&gt; (statistics)&lt;br/&gt;Current revision number: 14&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:55:30 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Probability - The mathematical study of uncertainty.
Definitions
Sample
Population
Powerset
Independence
Conditional Independence
Bayes Rule
Expectation AKA Mean, Expected Value or First...</description>
				<pubDate>Sun, 05 Oct 2008 21:55:30 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/statistics">Statistics</a> (statistics)<br/>Current revision number: 14<br/>Date changed: Sun, 05 Oct 2008 21:55:30 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Probability - The mathematical study of uncertainty. Definitions Sample Population Powerset Independence Conditional Independence Bayes Rule Expectation AKA Mean, Expected Value or First...
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				<link>http://lrei.wikidot.com/population</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/population&quot;&gt;Population&lt;/a&gt; (population)&lt;br/&gt;Current revision number: 0&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:45:45 +0000&lt;br/&gt;Change type: new page&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;

From OECD Glossary of Statistical Terms:
Population is the total membership or population or “universe” of a defined class of people, objects or events.
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				<pubDate>Sun, 05 Oct 2008 21:45:45 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/population">Population</a> (population)<br/>Current revision number: 0<br/>Date changed: Sun, 05 Oct 2008 21:45:45 +0000<br/>Change type: new page<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/> From OECD Glossary of Statistical Terms: Population is the total membership or population or “universe” of a defined class of people, objects or events. 
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				<guid>http://lrei.wikidot.com/sample#revision-6188427</guid>
				<title>&quot;Sample&quot; - new page</title>
				<link>http://lrei.wikidot.com/sample</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/sample&quot;&gt;Sample&lt;/a&gt; (sample)&lt;br/&gt;Current revision number: 0&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:43:38 +0000&lt;br/&gt;Change type: new page&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Adapted from Wikipedia:
In statistics, a sample is a subset of a population. Typically, the population is very large, making a complete enumeration of all the values in the population impractical...</description>
				<pubDate>Sun, 05 Oct 2008 21:43:38 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/sample">Sample</a> (sample)<br/>Current revision number: 0<br/>Date changed: Sun, 05 Oct 2008 21:43:38 +0000<br/>Change type: new page<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Adapted from Wikipedia: In statistics, a sample is a subset of a population. Typically, the population is very large, making a complete enumeration of all the values in the population impractical...
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				<guid>http://lrei.wikidot.com/statistics#revision-6188390</guid>
				<title>&quot;Statistics&quot; - source change</title>
				<link>http://lrei.wikidot.com/statistics</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/statistics&quot;&gt;Statistics&lt;/a&gt; (statistics)&lt;br/&gt;Current revision number: 13&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:40:57 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Probability - The mathematical study of uncertainty.
Definitions
Sample
Population
Powerset
Independence
Conditional Independence
Bayes Rule
Expectation AKA Mean, Expected Value or First...</description>
				<pubDate>Sun, 05 Oct 2008 21:40:57 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/statistics">Statistics</a> (statistics)<br/>Current revision number: 13<br/>Date changed: Sun, 05 Oct 2008 21:40:57 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Probability - The mathematical study of uncertainty. Definitions Sample Population Powerset Independence Conditional Independence Bayes Rule Expectation AKA Mean, Expected Value or First...
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				<guid>http://lrei.wikidot.com/correlation#revision-6188298</guid>
				<title>&quot;Correlation&quot; - source change</title>
				<link>http://lrei.wikidot.com/correlation</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/correlation&quot;&gt;Correlation&lt;/a&gt; (correlation)&lt;br/&gt;Current revision number: 3&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:31:08 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Adapted from Wikipedia:
In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...</description>
				<pubDate>Sun, 05 Oct 2008 21:31:08 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/correlation">Correlation</a> (correlation)<br/>Current revision number: 3<br/>Date changed: Sun, 05 Oct 2008 21:31:08 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Adapted from Wikipedia: In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...
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				<title>&quot;Correlation&quot; - source change</title>
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				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/correlation&quot;&gt;Correlation&lt;/a&gt; (correlation)&lt;br/&gt;Current revision number: 2&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:27:48 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Adapted from Wikipedia:
In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...</description>
				<pubDate>Sun, 05 Oct 2008 21:27:48 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/correlation">Correlation</a> (correlation)<br/>Current revision number: 2<br/>Date changed: Sun, 05 Oct 2008 21:27:48 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Adapted from Wikipedia: In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...
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				<title>&quot;Standard Deviation&quot; - source change</title>
				<link>http://lrei.wikidot.com/standarddeviation</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/standarddeviation&quot;&gt;Standard Deviation&lt;/a&gt; (standarddeviation)&lt;br/&gt;Current revision number: 7&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:25:44 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;The standard deviation is a measure of the &quot;spread&quot; (or dispersion) of a distribution.
(1)

Where Var(X) is the Variance.
The standard deviation of a discrete random variable is the...</description>
				<pubDate>Sun, 05 Oct 2008 21:25:44 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/standarddeviation">Standard Deviation</a> (standarddeviation)<br/>Current revision number: 7<br/>Date changed: Sun, 05 Oct 2008 21:25:44 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>The standard deviation is a measure of the "spread" (or dispersion) of a distribution. (1) Where Var(X) is the Variance. The standard deviation of a discrete random variable is the...
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				<link>http://lrei.wikidot.com/standarddeviation</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/standarddeviation&quot;&gt;Standard Deviation&lt;/a&gt; (standarddeviation)&lt;br/&gt;Current revision number: 6&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:25:12 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;The standard deviation is a measure of the &quot;spread&quot; (or dispersion) of a distribution.
(1)

Where Var(X) is the Variance.
The standard deviation of a discrete random variable is the...</description>
				<pubDate>Sun, 05 Oct 2008 21:25:12 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/standarddeviation">Standard Deviation</a> (standarddeviation)<br/>Current revision number: 6<br/>Date changed: Sun, 05 Oct 2008 21:25:12 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>The standard deviation is a measure of the "spread" (or dispersion) of a distribution. (1) Where Var(X) is the Variance. The standard deviation of a discrete random variable is the...
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				<title>&quot;Correlation&quot; - source change</title>
				<link>http://lrei.wikidot.com/correlation</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/correlation&quot;&gt;Correlation&lt;/a&gt; (correlation)&lt;br/&gt;Current revision number: 1&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:24:14 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Adapted from Wikipedia:
In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...</description>
				<pubDate>Sun, 05 Oct 2008 21:24:14 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/correlation">Correlation</a> (correlation)<br/>Current revision number: 1<br/>Date changed: Sun, 05 Oct 2008 21:24:14 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Adapted from Wikipedia: In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...
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				<title>&quot;Correlation&quot; - new page</title>
				<link>http://lrei.wikidot.com/correlation</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/correlation&quot;&gt;Correlation&lt;/a&gt; (correlation)&lt;br/&gt;Current revision number: 0&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:14:22 +0000&lt;br/&gt;Change type: new page&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Adapted from Wikipedia:
In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...</description>
				<pubDate>Sun, 05 Oct 2008 21:14:22 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/correlation">Correlation</a> (correlation)<br/>Current revision number: 0<br/>Date changed: Sun, 05 Oct 2008 21:14:22 +0000<br/>Change type: new page<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Adapted from Wikipedia: In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two...
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				<title>&quot;Statistics&quot; - source change</title>
				<link>http://lrei.wikidot.com/statistics</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/statistics&quot;&gt;Statistics&lt;/a&gt; (statistics)&lt;br/&gt;Current revision number: 12&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:13:40 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Probability - The mathematical study of uncertainty.
Definitions
Sample
Population
Powerset
Independence
Conditional Independence
Bayes Rule
Expectation AKA Mean, Expected Value or First...</description>
				<pubDate>Sun, 05 Oct 2008 21:13:40 +0000</pubDate>
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				<link>http://lrei.wikidot.com/statistics</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/statistics&quot;&gt;Statistics&lt;/a&gt; (statistics)&lt;br/&gt;Current revision number: 11&lt;br/&gt;Date changed: Sun, 05 Oct 2008 21:13:14 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Probability - The mathematical study of uncertainty.
Definitions
Sample
Population
Powerset
Independence
Conditional Independence
Bayes Rule
Expectation AKA Mean, Expected Value or First...</description>
				<pubDate>Sun, 05 Oct 2008 21:13:14 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/statistics">Statistics</a> (statistics)<br/>Current revision number: 11<br/>Date changed: Sun, 05 Oct 2008 21:13:14 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Probability - The mathematical study of uncertainty. Definitions Sample Population Powerset Independence Conditional Independence Bayes Rule Expectation AKA Mean, Expected Value or First...
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				<title>&quot;Covariance&quot; - source change</title>
				<link>http://lrei.wikidot.com/covariance</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/covariance&quot;&gt;Covariance&lt;/a&gt; (covariance)&lt;br/&gt;Current revision number: 1&lt;br/&gt;Date changed: Sun, 05 Oct 2008 20:26:00 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;

The covariance of two random variables is a measure of how much two variables change together (or how &quot;closely related&quot; they are):
(1)

</description>
				<pubDate>Sun, 05 Oct 2008 20:26:00 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/covariance">Covariance</a> (covariance)<br/>Current revision number: 1<br/>Date changed: Sun, 05 Oct 2008 20:26:00 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/> The covariance of two random variables is a measure of how much two variables change together (or how "closely related" they are): (1) 
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				<guid>http://lrei.wikidot.com/statistics#revision-6187646</guid>
				<title>&quot;Statistics&quot; - source change</title>
				<link>http://lrei.wikidot.com/statistics</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/statistics&quot;&gt;Statistics&lt;/a&gt; (statistics)&lt;br/&gt;Current revision number: 10&lt;br/&gt;Date changed: Sun, 05 Oct 2008 20:21:34 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;Probability - The mathematical study of uncertainty.
Definitions
Sample
Population
Powerset
Independence
Conditional Independence
Bayes Rule
Expectation AKA Mean, Expected Value or First...</description>
				<pubDate>Sun, 05 Oct 2008 20:21:34 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/statistics">Statistics</a> (statistics)<br/>Current revision number: 10<br/>Date changed: Sun, 05 Oct 2008 20:21:34 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>Probability - The mathematical study of uncertainty. Definitions Sample Population Powerset Independence Conditional Independence Bayes Rule Expectation AKA Mean, Expected Value or First...
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				<guid>http://lrei.wikidot.com/expectation#revision-6187633</guid>
				<title>&quot;Expectation&quot; - source change</title>
				<link>http://lrei.wikidot.com/expectation</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/expectation&quot;&gt;Expectation&lt;/a&gt; (expectation)&lt;br/&gt;Current revision number: 6&lt;br/&gt;Date changed: Sun, 05 Oct 2008 20:20:26 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;AKA Mean, Expected Value or First Moment
For discrete variables:
(1)

where Y is a random variable
For continuous variables:
(2)

where X is a random variable and p(X) is the Probability Density...</description>
				<pubDate>Sun, 05 Oct 2008 20:20:26 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/expectation">Expectation</a> (expectation)<br/>Current revision number: 6<br/>Date changed: Sun, 05 Oct 2008 20:20:26 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>AKA Mean, Expected Value or First Moment For discrete variables: (1) where Y is a random variable For continuous variables: (2) where X is a random variable and p(X) is the Probability Density...
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				<guid>http://lrei.wikidot.com/variance#revision-6187624</guid>
				<title>&quot;Variance&quot; - source change</title>
				<link>http://lrei.wikidot.com/variance</link>
				<description>Page: &lt;a href=&quot;http://lrei.wikidot.com/variance&quot;&gt;Variance&lt;/a&gt; (variance)&lt;br/&gt;Current revision number: 6&lt;br/&gt;Date changed: Sun, 05 Oct 2008 20:19:38 +0000&lt;br/&gt;Change type: source change&lt;br/&gt;By: &lt;span class=&quot;printuser&quot;&gt;&lt;a href=&quot;http://www.wikidot.com/user:info/lrei&quot; onclick=&quot;WIKIDOT.page.listeners.userInfo(209348); return false;&quot; &gt;lrei&lt;/a&gt;&lt;/span&gt;&lt;br/&gt;&lt;br/&gt;Page content preview: &lt;br/&gt;AKA second moment.
The variance of a distribution is a measure of the &quot;spread&quot; of the distribution.
For discrete random variable:
(1)

For a continuous random variable:
(2)

Also,
 or 
where  is...</description>
				<pubDate>Sun, 05 Oct 2008 20:19:38 +0000</pubDate>
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						Page: <a href="http://lrei.wikidot.com/variance">Variance</a> (variance)<br/>Current revision number: 6<br/>Date changed: Sun, 05 Oct 2008 20:19:38 +0000<br/>Change type: source change<br/>By: <span class="printuser"><a href="http://www.wikidot.com/user:info/lrei" onclick="WIKIDOT.page.listeners.userInfo(209348); return false;" >lrei</a></span><br/><br/>Page content preview: <br/>AKA second moment. The variance of a distribution is a measure of the "spread" of the distribution. For discrete random variable: (1) For a continuous random variable: (2) Also, or where is...
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