stats_rand_gen_gamma
(PECL stats >= 1.0.0)
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