stats_dens_pmf_negative_binomial
(PECL stats >= 1.0.0)
stats_dens_pmf_negative_binomial — Probability mass function of the negative binomial distribution
Beschreibung
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.
Parameter-Liste
-
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
Rückgabewerte
The probability mass at x or false for failure.
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