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PHP Manual [stats_rand_gen_f]

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PHP Manual || Statistic Functions

(PECL stats >= 1.0.0)

stats_rand_gen_fGenerates 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



PHP Manual || Statistic Functions