PHP - Manual: stats_rand_gen_ibinomial_negative
2024-12-27
(PECL stats >= 1.0.0)
stats_rand_gen_ibinomial_negative — Generates a random deviate from the negative binomial distribution
$n
, float $p
) : int
Returns a random deviate from a negative binomial distribution where the number of success is
n
and the success rate is p
.
n
The number of success
p
The success rate
A random deviate, which is the number of failure.
官方地址:https://www.php.net/manual/en/function.stats-rand-gen-ibinomial-negative.php