stats_rand_gen_gamma

(PECL stats:1.0.0-1.0.2)

stats_rand_gen_gamma — Generates random deviates from a gamma distribution

Description

float stats_rand_gen_gamma ( float $a , float $r )

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

Parameters

a

location parameter of Gamma distribution (a > 0).

r

shape parameter of Gamma distribution (r > 0).

Return Values