dbStat
Class NormalizeMinMax

java.lang.Object
  dbStat.NormalizeMinMax

All Implemented Interfaces:

NormalizeVectorAttributes

public class NormalizeMinMax

extends java.lang.Object

implements NormalizeVectorAttributes

Class that implements NormalizeVectorAttributes.

Uses the min-max method to normalize the components of the set of given AttributeVectors

Constructor Summary

NormalizeMinMax()

Method Summary

private double[]	findMinMax(java.util.ArrayList vectorcollection, java.lang.String attrib) Finds the minimum and maximum value for given attribute among all vectors
java.util.ArrayList	NormalizeAttributes(java.util.ArrayList vectorCollection) Methods that normalizes a given ArrayList of AttributeVectors using the min-max method

Methods inherited from class java.lang.Object

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

Constructor Detail

NormalizeMinMax

public NormalizeMinMax()

Method Detail

NormalizeAttributes

public java.util.ArrayList NormalizeAttributes(java.util.ArrayList vectorCollection)

Methods that normalizes a given ArrayList of AttributeVectors using the min-max method

Specified by:

NormalizeAttributes in interface NormalizeVectorAttributes

Parameters:

vectorCollection - An ArrayList of AttributeVectors

Returns:

the Normalized Arraylist of the AttributeVectors

findMinMax

private double[] findMinMax(java.util.ArrayList vectorcollection,
                            java.lang.String attrib)

Finds the minimum and maximum value for given attribute among all vectors

Parameters:

vectorcollection - The ArrayList of AttributeVectors

attrib - The vector attribute for which the min-max is being found

Returns:

A bi-element array with min and max values