org.expasy.jpl.commons.collection.stat
Class StatisticalCategory

java.lang.Object
  java.lang.Number
      org.expasy.jpl.commons.collection.stat.StatisticalCategory

All Implemented Interfaces:

Serializable

public final class StatisticalCategory
extends Number

A statistical category or class is an interval of values where data lie.

Version:

1.0

Author:

nikitin

See Also:

Serialized Form

Constructor Summary

StatisticalCategory(HistogramDataSet histo, double from, double to)

StatisticalCategory(HistogramDataSet histo, Interval interval)

Method Summary

double	doubleValue()
float	floatValue()
double	getCenter()
double	getFrequency()
Interval	getInterval()
double[]	getValues()
int	intValue()
long	longValue()
String	toString()
void	updateFrequency(double weight) Add the given value in this category.

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Constructor Detail

StatisticalCategory

public StatisticalCategory(HistogramDataSet histo,
                           Interval interval)

StatisticalCategory

public StatisticalCategory(HistogramDataSet histo,
                           double from,
                           double to)

Method Detail

updateFrequency

public final void updateFrequency(double weight)

Add the given value in this category.

Parameters:

value - the value to group in this category.

Throws:

IllegalArgumentException - if value does not belong to this interval.

getCenter

public final double getCenter()

Returns:

the center of this category.

getFrequency

public final double getFrequency()

Returns:

the mean number of observations in this interval.

getValues

public final double[] getValues()

Returns:

the observations of this interval.

doubleValue

public double doubleValue()

Specified by:

doubleValue in class Number

floatValue

public float floatValue()

Specified by:

floatValue in class Number

intValue

public int intValue()

Specified by:

intValue in class Number

longValue

public long longValue()

Specified by:

longValue in class Number

getInterval

public Interval getInterval()

Returns:

the class interval.

toString

public String toString()

Overrides:

toString in class Object