stats_rand_gen_f
(PECL stats >= 1.0.0)
stats_rand_gen_f — Generates a random deviate from the F distribution
Descrierea
stats_rand_gen_f
( float
$dfn
, float $dfd
) : floatGenerates 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.
Parametri
-
dfn -
The degrees of freedom in the numerator
-
dfd -
The degrees of freedom in the denominator
Valorile întoarse
A random deviate
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