Statistic Functions
PHP Manual

stats_dens_beta

Probability density function of the beta distribution

Description

float stats_dens_beta(float $x, float $a, float $b)

Returns the probability density at x, where the random variable follows the beta distribution of which the shape parameters are a and b.

Parameters

x

The value at which the probability density is calculated

a

The shape parameter of the distribution

b

The shape parameter of the distribution

Return Values

The probability density at x or false for failure.