stats_rand_gen_f
(PECL stats >= 1.0.0)
stats_rand_gen_f — Generates a random deviate from the F distribution
説明
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.
パラメータ
dfn-
The degrees of freedom in the numerator
dfd-
The degrees of freedom in the denominator
戻り値
A random deviate
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