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MathPHP
Probability
Distribution
Continuous
StandardNormal
PHP Class MathPHP\Probability\Distribution\Continuous\StandardNormal
This is a special case when μ = 0 and σ = 1,
Inheritance:
extends
Continuous
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Open project: markrogoyski/math-php
Class Usage Examples
Méthodes publiques
Méthode
Description
CDF
(
number
$z
) :
float
Cumulative distribution function P value for a z score.
PDF
(
number
$z
) :
float
Probability density function
mean
( ) :
integer
Mean of the distribution
Method Details
CDF()
public
static
méthode
Cumulative distribution function P value for a z score.
public
static
CDF
(
number
$z
) :
float
$z
number
random variable
Résultat
float
f(z|μ,σ)
PDF()
public
static
méthode
Probability density function
public
static
PDF
(
number
$z
) :
float
$z
number
random variable
Résultat
float
f(z|μ,σ)
mean()
public
static
méthode
μ = 0
public
static
mean
( ) :
integer
Résultat
integer
0