pcaproj.html
来自「Kohonen的SOM软件包」· HTML 代码 · 共 40 行
HTML
40 行
<!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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