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	<id>https://en.formulasearchengine.com/index.php?action=history&amp;feed=atom&amp;title=Principal_component_analysis</id>
	<title>Principal component analysis - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://en.formulasearchengine.com/index.php?action=history&amp;feed=atom&amp;title=Principal_component_analysis"/>
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	<updated>2026-04-06T04:25:15Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.0-wmf.28</generator>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;diff=223758&amp;oldid=prev</id>
		<title>en&gt;Wanghe07: /* Sparse PCA */</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;diff=223758&amp;oldid=prev"/>
		<updated>2014-12-30T20:41:21Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Sparse PCA&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 22:41, 30 December 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;tsts&lt;/del&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;If you loved this article and you would like &lt;/del&gt;to &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;be given more info about &lt;/del&gt;[http://&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;en&lt;/del&gt;.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wikipilipinas&lt;/del&gt;.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;org&lt;/del&gt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;index&lt;/del&gt;.php&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/User:NormaEvans secondary anchor&lt;/del&gt;] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;i implore you to visit the internet site.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;I&#039;m Reyna and I live with my husband and our three children in Saint-Etienne-Du-Rouvray, in the  south area. My hobbies are Home automation, Slot Car Racing and Bonsai.&lt;/ins&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Feel free &lt;/ins&gt;to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;visit my webpage - Fifa 15 Coin Generator (&lt;/ins&gt;[http://&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;www&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;le-sous-bois&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fr&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;userinfo&lt;/ins&gt;.php&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;?uid=690796 www.le-sous-bois.fr&lt;/ins&gt;]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>en&gt;Wanghe07</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;diff=223757&amp;oldid=prev</id>
		<title>141.162.113.245: /* Calculate the empirical mean */ Corrected a typo: use lowercase n mentioned before, instead of uppercase N.</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;diff=223757&amp;oldid=prev"/>
		<updated>2014-03-03T23:42:42Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Calculate the empirical mean: &lt;/span&gt; Corrected a typo: use lowercase n mentioned before, instead of uppercase N.&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;amp;diff=223757&amp;amp;oldid=2028&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>141.162.113.245</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;diff=2028&amp;oldid=prev</id>
		<title>60.240.137.200: /* References */ Removed spammy and erroneously formatted citations of papers not relevant to article, and clearly just added by the authors in an attempt to garner citations under false pretenses.</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;diff=2028&amp;oldid=prev"/>
		<updated>2014-02-03T23:59:32Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;References: &lt;/span&gt; Removed spammy and erroneously formatted citations of papers not relevant to article, and clearly just added by the authors in an attempt to garner citations under false pretenses.&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;amp;diff=2028&amp;amp;oldid=223756&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>60.240.137.200</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Principal_component_analysis&amp;diff=223756&amp;oldid=prev</id>
		<title>12.34.246.72: /* Software/source code */</title>
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		<updated>2012-08-15T15:41:02Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Software/source code&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;I&amp;#039;m a 33 years old and study at the high school (Greek and Roman Culture).&amp;lt;br&amp;gt;In my free time I try to learn Portuguese. I&amp;#039;ve been twicethere and look forward to returning anytime soon. I like to read, preferably on my ipad. I like to watch Supernatural and Modern Family as well as documentaries about anything astronomical. I love Fencing.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;My site: [http://en.wikipilipinas.org/index.php/User:NormaEvans secondary anchor]&lt;/div&gt;</summary>
		<author><name>12.34.246.72</name></author>
	</entry>
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