# 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