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stats_rand_gen_f

PHP function Edit on GitHub ✎

(PECL stats >= 1.0.0)

Generates a random deviate from the F distribution

Description

stats_rand_gen_f(float $dfn, float $dfd): float

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: The degrees of freedom in the numerator
dfd: The degrees of freedom in the denominator

Return Values

A random deviate

Source: reference/stats/functions/stats-rand-gen-f.xml · from the official PHP manual (php/doc-en)