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