stats_rand_gen_exponential
stats_rand_gen_funiform
Statistic Functions
PHP Manual

# stats_rand_gen_f

(PECL stats >= 1.0.0)

stats_rand_gen_f — Generates a random deviate

### Description

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.

### Parameters

`dfn`

`dfd`

### Return Values

stats_rand_gen_exponential
stats_rand_gen_funiform
Statistic Functions
PHP Manual