stats_dens_pmf_negative_binomial

(PECL stats >= 1.0.0)

stats_dens_pmf_negative_binomial — Probability mass function of the negative binomial distribution

説明

stats_dens_pmf_negative_binomial(float $x, float $n, float $pi): float

Returns the probability mass at x, where the random variable follows the negative binomial distribution of which the number of the success is n and the success rate is pi.

パラメータ

x: The value at which the probability mass is calculated
n: The number of the success of the distribution
pi: The success rate of the distribution

戻り値

The probability mass at x or false for failure.

Improve This Page

Learn How To Improve This Page • Submit a Pull Request • Report a Bug

＋add a note

User Contributed Notes

There are no user contributed notes for this page.