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stats_dens_beta

(PECL stats >= 1.0.0)

stats_dens_beta — Probability density function of the beta distribution

説明

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

Returns the probability density at x, where the random variable follows the beta distribution of which the shape parameters are a and 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 shape parameter of the distribution

戻り値

The probability density at x or false for failure.

関連キーワード:
beta   density   stats   dens   float   Probability   probability   shape   parameter   covariance   cauchy   Statistic   random   variable   follows   parameters   calculated   failure
関連する関数・ページ:
function.stats-dens-t   function.stats-dens-f   function.stats-dens-normal   function.stats-dens-weibull   function.stats-dens-cauchy   function.stats-dens-chisquare