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

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