at.tuwien.ifs.somtoolbox.util
Class PCA

java.lang.Object
  extended by at.tuwien.ifs.somtoolbox.util.PCA

public class PCA
extends Object

Principal Component Analysis

Version:
$Id: PCA.java 3587 2010-05-21 10:35:33Z mayer $

Field Summary
(package private)  double[][] cov
           
 double[] info
           
(package private)  double[] meanX
           
(package private)  double[] stdevX
           
 double[][] U
           
(package private)  double[][] X
           
(package private)  double[][] Z
           
 
Constructor Summary
PCA(double[][] X)
           
 
Method Summary
 double[][] centerReduce(double[][] x)
           
 double[] invCenterReduce(double[] y)
           
 double[][] invCenterReduce(double[][] y)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

X

double[][] X

meanX

double[] meanX

stdevX

double[] stdevX

Z

double[][] Z

cov

double[][] cov

U

public double[][] U

info

public double[] info
Constructor Detail

PCA

public PCA(double[][] X)
Method Detail

centerReduce

public double[][] centerReduce(double[][] x)

invCenterReduce

public double[] invCenterReduce(double[] y)

invCenterReduce

public double[][] invCenterReduce(double[][] y)