edu.stanford.nlp.dbm
Class LabelMatrix

java.lang.Object
  |
  +--edu.stanford.nlp.dbm.LabelMatrix

All Implemented Interfaces:

MatrixWrapper

public class LabelMatrix

extends Object

implements MatrixWrapper

Wrapper for a Matrix whose columns are Label Vectors of Labeled Objects

Field Summary

protected IndexedSet	labels
protected GrowableMatrix	matrix

Constructor Summary

LabelMatrix(GrowableMatrix matrix, IndexedSet labels)

LabelMatrix(String matrixfile, IndexedSet labels)

Method Summary

int	add(Labeled t) inserts Labeled Object into LabelMatrix, and returns its index
List	getLabels()
Matrix	getMatrix() Returns underlying Matrix
Array	insert(Iterator iter) creates boolean vector.
Array	toLabelVector(Labeled t) inserts a Labeled object into the LabelMatrix, and returns the inserted LabelVector

Methods inherited from class java.lang.Object

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

Field Detail

matrix

protected GrowableMatrix matrix

labels

protected IndexedSet labels

Constructor Detail

LabelMatrix

public LabelMatrix(GrowableMatrix matrix,
                   IndexedSet labels)

LabelMatrix

public LabelMatrix(String matrixfile,
                   IndexedSet labels)
            throws IOException,
                   FileNotFoundException

Method Detail

insert

public Array insert(Iterator iter)
             throws IOException

creates boolean vector. assigns entry[i]=1 if iterator contains object with index i and 0 if it doesn't.

IOException

toLabelVector

public Array toLabelVector(Labeled t)
                    throws IOException

inserts a Labeled object into the LabelMatrix, and returns the inserted LabelVector

IOException

add

public int add(Labeled t)
        throws IOException

inserts Labeled Object into LabelMatrix, and returns its index

IOException

getLabels

public List getLabels()

getMatrix

public Matrix getMatrix()

Description copied from interface: MatrixWrapper

Returns underlying Matrix

Specified by:

getMatrix in interface MatrixWrapper