PHP Manual
Prev |  | Next

# stats_rand_gen_gamma

(PECL)

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

What the function returns, first on success, then on failure. See also the &return.success; entity

Prev | Home | Next
stats_rand_gen_funiform | Up | stats_rand_gen_ibinomial_negative