com.bayesserver.statistics

Class IntervalStatistics

java.lang.Object

com.bayesserver.statistics.IntervalStatistics

public final class IntervalStatistics
extends Object

Calculates statistics such as mean and variance for discretized variables, i.e. discrete variables whose state values are intervals.

Method Summary

Modifier and Type	Method and Description
static IntervalStatistics	calculate(double min, double max) Calculates statistics for a single interval.
static IntervalStatistics	calculate(Table table) Calculates statistics using table probabilities as weights for each interval.
double	getMean() Gets the mean of the discretized variable.
double	getVariance() Gets the variance of the discretized variable.

Methods inherited from class java.lang.Object

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

Method Detail

getMean

public double getMean()

Gets the mean of the discretized variable.

getVariance

public double getVariance()

Gets the variance of the discretized variable.

calculate

public static IntervalStatistics calculate(Table table)

Calculates statistics using table probabilities as weights for each interval.

Parameters:

table - A table based on a discretized variable.

Returns:

Statistics such as the mean and variance.

calculate

public static IntervalStatistics calculate(double min,
                                           double max)

Calculates statistics for a single interval.

Parameters:

min - The interval minimum.

max - The interval maximum.

Returns:

Statistics such as the mean and variance.