stats_dens_beta
(PECL stats >= 1.0.0)
stats_dens_beta — Probability density function of the beta distribution
Описание
stats_dens_beta
( float
$x
, float $a
, float $b
) : float
Returns the probability density at x, where the
random variable follows the beta distribution of which the shape parameters
are a and b.
Список параметров
-
x -
The value at which the probability density is calculated
-
a -
The shape parameter of the distribution
-
b -
The shape parameter of the distribution
Возвращаемые значения
The probability density at x or false for failure.