stats_rand_gen_gamma()

stats_rand_gen_gamma - Generates random deviates from a gamma distribution

Syntax

float stats_rand_gen_gamma (float $a, float $r)

Arguments

• a - location parameter of Gamma distribution ( a > 0).
• r - shape parameter of Gamma distribution ( r > 0).

Description

Generates random deviates from the gamma distribution whose density is (A**R)/Gamma(R) * X**(R-1) * Exp(-A*X).

Version

PHP PECL stats >= 1.0.0

Return value