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<br>Hi<br>Does anyone studied the effect of using different reference structures,<br>not the average structure, when carrying out PCA. Does it make sense to use <br>a structure besides the average to calculate the covariance matrix?<br>Thanks<br>Vijaya<br><br> <br /><hr />Hotmail: Trusted email with powerful SPAM protection. <a href='http://clk.atdmt.com/GBL/go/210850553/direct/01/' target='_new'>Sign up now.</a></body>
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