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        <item>
            <title>Re: PCA</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=8353197&amp;tstart=0#8353197</link>

        

            <description><![CDATA[The purpose of PCA is to solve inverse problems and yes it is related to SVD.  Let me give you a simpler idea to work with.  Imagine you were a]]></description>

        

            <jf:creationDate>Feb 17, 2013 11:13:51 AM</jf:creationDate>
            <jf:modificationDate>Feb 17, 2013 11:13:51 AM</jf:modificationDate>
            <jf:author>divergent.tseries@gmail.com</jf:author>
            <jf:replyCount>0</jf:replyCount>
        </item>

        <item>
            <title>Re: PCA</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=8344411&amp;tstart=0#8344411</link>

        

            <description><![CDATA[robert bristow-johnson wrote:<br><font color="#660066">&gt; On 2/15/13 9:15 PM, Richard Owlett wrote:</font><br><font color="#007777">&gt;&gt; glen]]></description>

        

            <jf:creationDate>Feb 16, 2013 12:57:02 AM</jf:creationDate>
            <jf:modificationDate>Feb 16, 2013 12:57:02 AM</jf:modificationDate>
            <jf:author>rowlett@pcnetinc.com</jf:author>
            <jf:replyCount>0</jf:replyCount>
        </item>

        <item>
            <title>Re: PCA</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=8344175&amp;tstart=0#8344175</link>

        

            <description><![CDATA[On 2/15/13 9:15 PM, Richard Owlett wrote:<br><font color="#660066">&gt; glen herrmannsfeldt wrote:</font><br><font color="#007777">&gt;&gt; In]]></description>

        

            <jf:creationDate>Feb 16, 2013 12:23:38 AM</jf:creationDate>
            <jf:modificationDate>Feb 16, 2013 12:23:38 AM</jf:modificationDate>
            <jf:author>rbj@audioimagination.com</jf:author>
            <jf:replyCount>1</jf:replyCount>
        </item>

        <item>
            <title>Re: PCA</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=8342882&amp;tstart=0#8342882</link>

        

            <description><![CDATA[glen herrmannsfeldt wrote:<br><font color="#660066">&gt; In comp.dsp RichD &lt;r_delaney2001@yahoo.com&gt; wrote:</font><br><font]]></description>

        

            <jf:creationDate>Feb 15, 2013 9:15:16 PM</jf:creationDate>
            <jf:modificationDate>Feb 15, 2013 9:15:16 PM</jf:modificationDate>
            <jf:author>rowlett@pcnetinc.com</jf:author>
            <jf:replyCount>2</jf:replyCount>
        </item>

        <item>
            <title>Re: PCA</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=8341709&amp;tstart=0#8341709</link>

        

            <description><![CDATA[In comp.dsp RichD &lt;r_delaney2001@yahoo.com&gt; wrote:<br><font color="#660066">&gt; I've been trying to grok principal component analysis<br>&gt;]]></description>

        

            <jf:creationDate>Feb 15, 2013 6:09:34 PM</jf:creationDate>
            <jf:modificationDate>Feb 15, 2013 6:09:34 PM</jf:modificationDate>
            <jf:author>gah@ugcs.caltech.edu</jf:author>
            <jf:replyCount>3</jf:replyCount>
        </item>

        <item>
            <title>PCA</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=8340987&amp;tstart=0#8340987</link>

        

            <description><![CDATA[I've been trying to grok principal component analysis<br>recently, but it isn't clicking.  What's the motivation<br>and purpose of PCA?<br><br>I've]]></description>

        

            <jf:creationDate>Feb 15, 2013 4:30:12 PM</jf:creationDate>
            <jf:modificationDate>Feb 15, 2013 4:30:12 PM</jf:modificationDate>
            <jf:author>r_delaney2001@yahoo.com</jf:author>
            <jf:replyCount>5</jf:replyCount>
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