de.aitools.iv.mds.core
Class SpringModelMDS

java.lang.Object
  de.aitools.iv.mds.core.AbstractSpringMDS
      de.aitools.iv.mds.core.SpringModelMDS

All Implemented Interfaces:

MDS

public class SpringModelMDS
extends AbstractSpringMDS
implements MDS

Author:

Anita

Constructor Summary

SpringModelMDS(EndCriteria ec, Measure hdm)
Creates a new instance of SpringModelMDS with an EndCriteria and a Measure to calculate the (dis)similartiy between high-dimensional objects.

Method Summary

java.util.HashMap<java.lang.String,java.lang.Object>	getConstants() Returns constants of algorithm.
java.util.HashMap<java.lang.String,java.lang.Object>	getStatistics() Returns information of algorithm.
double[][]	layOut(int[][] offs, double[][] vals) Takes high-dimensional vectors and returns an array with points corresponding to the input indices.
void	setConstants(java.util.HashMap<java.lang.String,java.lang.Object> constants) Sets constants of algorithm.

Methods inherited from class de.aitools.iv.mds.core.AbstractSpringMDS

getStress

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.aitools.iv.mds.core.MDS

getStress

Constructor Detail

SpringModelMDS

public SpringModelMDS(EndCriteria ec,
                      Measure hdm)

Creates a new instance of SpringModelMDS with an EndCriteria and a Measure to calculate the (dis)similartiy between high-dimensional objects.

Parameters:

ec - EndCriteria for algorithm

hdm - measure between high-dimensional objects to be used

Method Detail

layOut

public double[][] layOut(int[][] offs,
                         double[][] vals)

Takes high-dimensional vectors and returns an array with points corresponding to the input indices.

Specified by:

layOut in interface MDS

Parameters:

offs - 2-dimensional int array with offsets of vectors

vals - 2-dimensional double array with corresponding values

Returns:

2-dimensional double array with point coordinates

getStatistics

public java.util.HashMap<java.lang.String,java.lang.Object> getStatistics()

Returns information of algorithm.

Specified by:

getStatistics in interface MDS

Returns:

HashMap with additional information about the algorithm

setConstants

public void setConstants(java.util.HashMap<java.lang.String,java.lang.Object> constants)

Sets constants of algorithm.

Specified by:

setConstants in interface MDS

Parameters:

constants - HashMap with constant names as keys and corresponding values.

getConstants

public java.util.HashMap<java.lang.String,java.lang.Object> getConstants()

Returns constants of algorithm.

Specified by:

getConstants in interface MDS

Returns:

HashMap with constant names as keys and corresponding values.