Generates a random deviate


(PECL stats >= 1.0.0)

stats_rand_gen_fGenerates a random deviate

Описание

float stats_rand_gen_f ( float $dfn , float $dfd )

Generates a random deviate from the F (variance ratio) distribution with "dfn" degrees of freedom in the numerator and "dfd" degrees of freedom in the denominator. Method : directly generates ratio of chisquare variates.

Список параметров

dfn

dfd

Возвращаемые значения