de.aitools.iv.mds.util
Class StressCalulator

java.lang.Object
  de.aitools.iv.mds.util.StressCalulator

public class StressCalulator
extends java.lang.Object

Author:

Anita

Constructor Summary

StressCalulator(java.lang.String v, java.lang.String p, Measure hdm)
Creates a new instance of StressCalulator.

Method Summary

double	calculateStress() Calculates stress-1 value.
void	plot(java.lang.String where, java.lang.String name) Writes stress value and names of files which have been used for this calculation to .gp file.
void	readPositions() Reads file with point coordinates.
void	readVectors() Reads file with vectors.

Methods inherited from class java.lang.Object

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

Constructor Detail

StressCalulator

public StressCalulator(java.lang.String v,
                       java.lang.String p,
                       Measure hdm)

Creates a new instance of StressCalulator.

Parameters:

v - file with vectors (.ntf, .tfidf, .vector generated by Preprocessor)

p - path to .plot file with point coordinates

hdm - high-dimensional measure between objects

Method Detail

readVectors

public void readVectors()

Reads file with vectors.

readPositions

public void readPositions()

Reads file with point coordinates.

calculateStress

public double calculateStress()

Calculates stress-1 value.

Returns:

stress value

plot

public void plot(java.lang.String where,
                 java.lang.String name)

Writes stress value and names of files which have been used for this calculation to .gp file.

Parameters:

where - path to write out file

name - name for output file