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stats_rand_gen_f

Generates a random deviate (PECL stats:1.0.0-1.0.2)
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