PHP Class MathPHP\Probability\Distribution\Discrete\Multinomial

Inheritance: extends Discrete

ファイルを表示 Open project: markrogoyski/math-php

Public Methods

Method	Description
PMF ( array $frequencies, array $probabilities ) : float	Multinomial distribution (multivariate) - probability mass function

Method Details

PMF() public static method

https://en.wikipedia.org/wiki/Multinomial_distribution n! pmf = ------- p₁ˣ¹⋯pkˣᵏ x₁!⋯xk! n = number of trials (sum of the frequencies) = x₁ + x₂ + ⋯ xk

public static PMF ( array $frequencies, array $probabilities ) : float
$frequencies	array
$probabilities	array
return	float