stats_rand_gen_gamma
(PECL stats >= 1.0.0)
stats_rand_gen_gamma — Generates a random deviate from the gamma distribution
Description
$a
, float $r
): floatGenerates a random deviate 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
A random deviate