stats_rand_gen_chisquare

(PECL stats >= 1.0.0)

stats_rand_gen_chisquare — Generates a random deviate from the chi-square distribution

说明

stats_rand_gen_chisquare(float $df): float

Returns a random deviate from the chi-square distribution where the degrees of freedom is df.

参数

df

The degrees of freedom

返回值

A random deviate