org.processmining.ocbc.discovery.metrics

Class ProbabilityFunction

java.lang.Object

org.processmining.ocbc.discovery.metrics.ProbabilityFunction

public class ProbabilityFunction
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ProbabilityFunction()

Method Summary

Modifier and Type	Method and Description
static double	computeCombination(int n, int m) 组合数
static double	computeContinuousProduct(int n, int m) compute m*(m+1)*...*n where n>=m
static double	computeFactorial(int n) n的阶乘
static double	computePermutation(int n, int m) 排列数
static void	main(java.lang.String[] str)

Methods inherited from class java.lang.Object

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

Constructor Detail

ProbabilityFunction

public ProbabilityFunction()

Method Detail

computeFactorial

public static double computeFactorial(int n)

n的阶乘

Parameters:

n - 要计算的阶

Returns:

n!

computeContinuousProduct

public static double computeContinuousProduct(int n,
                                              int m)

compute m*(m+1)*...*n where n>=m

Parameters:

m - start value

n - end value

Returns:

m*(m+1)*...*n

computeCombination

public static double computeCombination(int n,
                                        int m)

组合数

Parameters:

n - 总个数，C的下标

m - 要选取的个数，C的上标

Returns:

n!/(n-m)!m! where n>m

computePermutation

public static double computePermutation(int n,
                                        int m)

排列数

Parameters:

n - 总个数，A的下标

m - 要排列的个数，A的上标

Returns:

n!/(n-m)!

main

public static void main(java.lang.String[] str)