MathPHP\Probability\Distribution\Continuous\Beta::mean PHP Method

Beta Class Documentation Datei anzeigen Open project: markrogoyski/math-php

mean() public static method

α μ = ----- α + β

public static mean ( number $α, number $β ) : number
$α	number	shape parameter α > 0
$β	number	shape parameter β > 0
return	number

    public static function mean($α, $β)
    {
        Support::checkLimits(self::LIMITS, ['α' => $α, 'β' => $β]);
        return $α / ($α + $β);
    }

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mean