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java.lang.Object de.lmu.ifi.dbs.elki.math.linearalgebra.pca.PCAResult
public class PCAResult
Result class for Principal Component Analysis with some convenience methods
Field Summary | |
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private SortedEigenPairs |
eigenPairs
The eigenpairs in decreasing order. |
private double[] |
eigenvalues
The eigenvalues in decreasing order. |
private Matrix |
eigenvectors
The eigenvectors in decreasing order to their corresponding eigenvalues. |
Constructor Summary | |
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PCAResult(double[] eigenvalues,
Matrix eigenvectors,
SortedEigenPairs eigenPairs)
Build a PCA result object. |
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PCAResult(SortedEigenPairs eigenPairs)
Build a PCA result from an existing set of EigenPairs. |
Method Summary | |
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SortedEigenPairs |
getEigenPairs()
Returns a copy of the eigenpairs of the object to which this PCA belongs to in decreasing order. |
double[] |
getEigenvalues()
Returns a copy of the eigenvalues of the object to which this PCA belongs to in decreasing order. |
Matrix |
getEigenvectors()
Returns a copy of the matrix of eigenvectors of the object to which this PCA belongs to. |
int |
length()
Returns the number of eigenvectors stored |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private SortedEigenPairs eigenPairs
private double[] eigenvalues
private Matrix eigenvectors
Constructor Detail |
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public PCAResult(double[] eigenvalues, Matrix eigenvectors, SortedEigenPairs eigenPairs)
eigenvalues
- Eigenvalueseigenvectors
- Eigenvector matrixeigenPairs
- Eigenpairspublic PCAResult(SortedEigenPairs eigenPairs)
eigenPairs
- existing eigenpairsMethod Detail |
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public final Matrix getEigenvectors()
public final double[] getEigenvalues()
public final SortedEigenPairs getEigenPairs()
public final int length()
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