stats_dens_weibull

(PECL stats >= 1.0.0)

stats_dens_weibull — Probability density function of the Weibull distribution

説明

function stats_dens_weibull(float $x, float $a, float $b): float

Returns the probability density at x, where the random variable follows the Weibull distribution of which the shape parameter is a and the scale parameter is b.

パラメータ

x: The value at which the probability density is calculated
a: The shape parameter of the distribution
b: The scale parameter of the distribution

戻り値

The probability density at x or false for failure.

関連キーワード:

density stats Weibull dens float parameter Probability weibull probability shape scale uniform harmonic mean Statistic random variable follows calculated failure