stats_dens_pmf_poisson

(PECL stats >= 1.0.0)

stats_dens_pmf_poissonProbability mass function of the Poisson distribution

Description

stats_dens_pmf_poisson(float $x, float $lb): float

Returns the probability mass at x, where the random variable follows the Poisson distribution whose parameter is lb.

Liste de paramètres

x

The value at which the probability mass is calculated

lb

The parameter of the Poisson distribution

Valeurs de retour

The probability mass at x or false for failure.

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top