stats_rand_gen_noncenral_chisquarestats_rand_gen_noncentral_f
(PECL stats >= 1.0.0)
stats_rand_gen_noncentral_f — Generates a random deviate from the noncentral F (variance ratio) distribution with "dfn" degrees of freedom in the numerator, and "dfd" degrees of freedom in the denominator, and noncentrality parameter "xnonc". Method : directly generates ratio of noncentral numerator chisquare variate to central denominator chisquare variate.
설명
float stats_rand_gen_noncentral_f
( float $dfn
, float $dfd
, float $xnonc
)
Warning
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인수
- dfn
-
- dfd
-
- xnonc
-
반환값
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