org.carrot2.matrix.factorization

Interface IIterativeMatrixFactorization

All Superinterfaces:

IMatrixFactorization

All Known Implementing Classes:

KMeansMatrixFactorization, LocalNonnegativeMatrixFactorization, NonnegativeMatrixFactorizationED, NonnegativeMatrixFactorizationKL

public interface IIterativeMatrixFactorization
extends IMatrixFactorization

Performs an iterative matrix factorization.

Method Summary

Modifier and Type	Method and Description
double	getApproximationError() Returns approximation error achieved after the last iteration of the algorithm or -1 if the approximation error is not available.
int	getIterationsCompleted() Returns the number of iterations the algorithm has completed.

Methods inherited from interface org.carrot2.matrix.factorization.IMatrixFactorization

getU, getV

Method Detail

getApproximationError

double getApproximationError()

Returns approximation error achieved after the last iteration of the algorithm or -1 if the approximation error is not available.

Returns:

approximation error or -1

getIterationsCompleted

int getIterationsCompleted()

Returns the number of iterations the algorithm has completed.

Returns:

the number of iterations the algorithm has completed