📄 pcaproj.html

📁 Kohonen的SOM软件包

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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><html><head><title>SOM Toolbox / pcaproj </title></head><body bgcolor=#f0f0f0><table border=0 width="100%" cellpadding=0 cellspacing=0><tr><td valign=baseline><font size=+2>SOM Toolbox</font></td><td valign=baseline align=center><a href="somtoolbox.html">Online documentation</td><td valign=baseline align=right><a href="http://www.cis.hut.fi/projects/somtoolbox/" target="_top">http://www.cis.hut.fi/projects/somtoolbox/</a></td></tr></table><hr><H1> pcaproj </H1><P><B> [P,V,me,l] = pcaproj(D,arg1,arg2)</B></P><PRE>PCAPROJ Projects data vectors using Principal Component Analysis. [P,V,me,l] = pcaproj(D, odim) P =          pcaproj(D, V, me)  Input and output arguments ([]'s are optional)   D      (matrix) size dlen x dim, the data matrix          (struct) data or map struct               odim   (scalar) how many principal vectors are used     P      (matrix) size dlen x odim, the projections   V      (matrix) size dim x odim, principal eigenvectors (unit length)   me     (vector) size 1 x dim, center point of D   l      (vector) size 1 x odim, the corresponding eigenvalues,                    relative to total sum of eigenvalues                    See also SAMMON, CCA.</PRE><p><hr><br><center>[ <a href="somtoolbox.html">SOM Toolbox online doc</a> ]</center><br><!-- Last updated: May 30 2002 --></body></html>

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