PHP 手册
上一页 |  | 下一页

# stats_rand_gen_noncentral_f

(no version information, might be only in CVS)

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.

## 说明

float stats_rand_gen_noncentral_f ( float dfn, float dfd, float xnonc )

警告
本函数暂无文档，仅有参数列表。

## 参数

`dfn`

  Its description

`dfd`

  Its description

`xnonc`

  Its description

## 返回值

What the function returns, first on success, then on failure. See also the &return.success; entity

上一页 | 起始页 | 下一页
stats_rand_gen_noncenral_chisquare | 上一级 | stats_rand_gen_noncentral_t