stats_rand_gen_f

(PECL stats >= 1.0.0)

Generates a random deviate

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

Returns:

Links:

http://php.net/manual/en/function.stats-rand-gen-f.php

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2016-02-24 16:02:37

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