sure of squared error normalized to fall between [0,1]

 EXAMPLE

 See also <a href="pca.html" class="code" title="function [ U, mu, vars ] = pca( X )">PCA</a>, <a href="pcaVisualize.html" class="code" title="function varargout=pcaVisualize( U, mu, vars, X, index, ks, fname, show )">PCAVISUALIZE</a>

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