array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'uk', ), 'this' => array ( 0 => 'function.stats-rand-gen-beta.php', 1 => 'stats_rand_gen_beta', 2 => 'Generates a random deviate from the beta distribution', ), 'up' => array ( 0 => 'ref.stats.php', 1 => 'Statistic Функції', ), 'prev' => array ( 0 => 'function.stats-kurtosis.php', 1 => 'stats_kurtosis', ), 'next' => array ( 0 => 'function.stats-rand-gen-chisquare.php', 1 => 'stats_rand_gen_chisquare', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/stats/functions/stats-rand-gen-beta.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

stats_rand_gen_beta

(PECL stats >= 1.0.0)

stats_rand_gen_beta — Generates a random deviate from the beta distribution

Опис

stats_rand_gen_beta(float $a, float $b): float

Returns a random deviate from the beta distribution with parameters A and B. The density of the beta is x^(a-1) * (1-x)^(b-1) / B(a,b) for 0 < x <. Method R. C. H. Cheng.

Параметри

a

The shape parameter of the beta distribution

b

The shape parameter of the beta distribution

Значення, що повертаються

A random deviate