update : 2015.11.03
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Generates random deviates from a gamma distribution
Statistic 함수 목록
PHP Manual

stats_rand_gen_gamma

(PECL stats >= 1.0.0)

stats_rand_gen_gamma — Generates random deviates from a gamma distribution

설명

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).

인수

a

location parameter of Gamma distribution (a > 0).

r

shape parameter of Gamma distribution (r > 0).

반환값

Statistic 함수 목록
PHP Manual