marytts.machinelearning

Class SFFS

java.lang.Object

marytts.machinelearning.SFFS

public class SFFS
extends Object

Sequential Floating Forward Search(SFFS) for selection of features Ref: Pudil, P., J. Novovičová, and J. Kittler. 1994. Floating search methods in feature selection. Pattern Recogn. Lett. 15, no. 11: 1119-1125. (http://staff.utia.cas.cz/novovic/files/PudNovKitt_PRL94-Floating.pdf)

Author:

marcela

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	interceptTerm
protected boolean	logSolution
protected int	solutionSize

Constructor Summary

Constructors

Constructor and Description
SFFS(int solSize, boolean b0, boolean logSol) Sequential Floating Forward Search(SFFS) for selection of features

Method Summary

Methods

Modifier and Type	Method and Description
int[]	sequentialForwardFloatingSelection(String dataFile, int indVariable, String[] features, int[] X, int[] Y, int d, int D, int rowIni, int rowEnd, SoP sop)
void	trainModel(String[] lingFactors, String featuresFile, int numFeatures, double percentToTrain, SoP sop)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

interceptTerm

protected boolean interceptTerm

logSolution

protected boolean logSolution

solutionSize

protected int solutionSize

Constructor Detail

SFFS

public SFFS(int solSize,
    boolean b0,
    boolean logSol)

Sequential Floating Forward Search(SFFS) for selection of features

Parameters:

solSize - : size of the solution (default = 1)

b0 - : if true include interceptTerm or b0 in the linear equation (default = true)

logSol - : if true use log(independent variable) (default = false)

Method Detail

trainModel

public void trainModel(String[] lingFactors,
              String featuresFile,
              int numFeatures,
              double percentToTrain,
              SoP sop)
                throws Exception

Throws:

Exception

sequentialForwardFloatingSelection

public int[] sequentialForwardFloatingSelection(String dataFile,
                                       int indVariable,
                                       String[] features,
                                       int[] X,
                                       int[] Y,
                                       int d,
                                       int D,
                                       int rowIni,
                                       int rowEnd,
                                       SoP sop)
                                         throws Exception

Throws:

Exception