org.apache.commons.math.stat.descriptive

Class StatisticalSummaryValues

java.lang.Object

org.apache.commons.math.stat.descriptive.StatisticalSummaryValues

All Implemented Interfaces:

java.io.Serializable, StatisticalSummary

public class StatisticalSummaryValues
extends java.lang.Object
implements java.io.Serializable, StatisticalSummary

Value object representing the results of a univariate statistical summary.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StatisticalSummaryValues(double mean, double variance, long n, double max, double min, double sum) Constructor

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object object) Returns true iff object is a StatisticalSummaryValues instance and all statistics have the same values as this.
double	getMax() Returns the maximum of the available values
double	getMean() Returns the arithmetic mean of the available values
double	getMin() Returns the minimum of the available values
long	getN() Returns the number of available values
double	getStandardDeviation() Returns the standard deviation of the available values.
double	getSum() Returns the sum of the values that have been added to Univariate.
double	getVariance() Returns the variance of the available values.
int	hashCode() Returns hash code based on values of statistics
java.lang.String	toString() Generates a text report displaying values of statistics.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

StatisticalSummaryValues

public StatisticalSummaryValues(double mean,
                                double variance,
                                long n,
                                double max,
                                double min,
                                double sum)

Constructor

Parameters:

mean - the sample mean

variance - the sample variance

n - the number of observations in the sample

max - the maximum value

min - the minimum value

sum - the sum of the values

Method Detail

getMax

public double getMax()

Description copied from interface: StatisticalSummary

Returns the maximum of the available values

Specified by:

getMax in interface StatisticalSummary

Returns:

Returns the max.

getMean

public double getMean()

Description copied from interface: StatisticalSummary

Returns the arithmetic mean of the available values

Specified by:

getMean in interface StatisticalSummary

Returns:

Returns the mean.

getMin

public double getMin()

Description copied from interface: StatisticalSummary

Returns the minimum of the available values

Specified by:

getMin in interface StatisticalSummary

Returns:

Returns the min.

getN

public long getN()

Description copied from interface: StatisticalSummary

Returns the number of available values

Specified by:

getN in interface StatisticalSummary

Returns:

Returns the number of values.

getSum

public double getSum()

Description copied from interface: StatisticalSummary

Returns the sum of the values that have been added to Univariate.

Specified by:

getSum in interface StatisticalSummary

Returns:

Returns the sum.

getStandardDeviation

public double getStandardDeviation()

Description copied from interface: StatisticalSummary

Returns the standard deviation of the available values.

Specified by:

getStandardDeviation in interface StatisticalSummary

Returns:

Returns the standard deviation

getVariance

public double getVariance()

Description copied from interface: StatisticalSummary

Returns the variance of the available values.

Specified by:

getVariance in interface StatisticalSummary

Returns:

Returns the variance.

equals

public boolean equals(java.lang.Object object)

Returns true iff object is a StatisticalSummaryValues instance and all statistics have the same values as this.

Overrides:

equals in class java.lang.Object

Parameters:

object - the object to test equality against.

Returns:

true if object equals this

hashCode

public int hashCode()

Returns hash code based on values of statistics

Overrides:

hashCode in class java.lang.Object

Returns:

hash code

toString

public java.lang.String toString()

Generates a text report displaying values of statistics. Each statistic is displayed on a separate line.

Overrides:

toString in class java.lang.Object

Returns:

String with line feeds displaying statistics