at.tuwien.ifs.somtoolbox.util
Class PCA
java.lang.Object
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)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
X
double[][] X
meanX
double[] meanX
stdevX
double[] stdevX
Z
double[][] Z
cov
double[][] cov
U
public double[][] U
info
public double[] info
PCA
public PCA(double[][] X)
centerReduce
public double[][] centerReduce(double[][] x)
invCenterReduce
public double[] invCenterReduce(double[] y)
invCenterReduce
public double[][] invCenterReduce(double[][] y)