Statistic 函数
PHP Manual

stats_rand_gen_t

(PECL stats >= 1.0.0)

stats_rand_gen_tGenerates a single random deviate from a t-distribution

说明

float stats_rand_gen_t ( float $df )

Returns a random deviate from the t-distribution with the degrees of freedom, df.

参数

df

The degrees of freedom

返回值

A random deviate


Statistic 函数
PHP Manual