Statistic 関数
PHP マニュアル

stats_rand_gen_noncentral_chisquare

Generates a random deviate from the non-central chi-square distribution

説明

float stats_rand_gen_noncentral_chisquare(float $df, float $xnonc)

Returns a random deviate from the non-central chi-square distribution with degrees of freedom, df, and non-centrality parameter, xnonc.

パラメータ

df

The degrees of freedom

xnonc

The non-centrality parameter

戻り値

A random deviate