PHP 클래스 MathPHP\Probability\Distribution\Discrete\ShiftedGeometric

상속: extends Discrete
파일 보기 프로젝트 열기: markrogoyski/math-php

공개 메소드들

메소드 설명
CDF ( integer $k, float $p ) : float Shifted geometric distribution - cumulative distribution function
PMF ( integer $k, float $p ) : float Shifted geometric distribution - probability mass function

메소드 상세

CDF() 공개 정적인 메소드

The probability distribution of the number X of Bernoulli trials needed to get one success, supported on the set { 1, 2, 3, ...} https://en.wikipedia.org/wiki/Geometric_distribution k trials where k ∈ {0, 1, 2, 3, ...} pmf = 1 - (1 - p)ᵏ
public static CDF ( integer $k, float $p ) : float
$k integer number of trials k ≥ 0
$p float success probability 0 < p ≤ 1
리턴 float

PMF() 공개 정적인 메소드

The probability distribution of the number X of Bernoulli trials needed to get one success, supported on the set { 1, 2, 3, ...} https://en.wikipedia.org/wiki/Geometric_distribution k trials where k ∈ {1, 2, 3, ...} pmf = (1 - p)ᵏ⁻¹p
public static PMF ( integer $k, float $p ) : float
$k integer number of trials k ≥ 1
$p float success probability 0 < p ≤ 1
리턴 float