MathPHP\Statistics\EffectSize::cohensF PHP Метод

cohensF() публичный статический Метод

One of several effect size measures to use in the context of an F-test for ANOVA or multiple regression. Its amount of bias (overestimation of the effect size for the ANOVA) depends on the bias of its underlying measurement of variance explained (R², η², ω²) https://en.wikipedia.org/wiki/Effect_size#Cohen.27s_.C6.922 R² ƒ² = ------ 1 - R² η² ƒ² = ------ 1 - η² ω² ƒ² = ------ 1 - ω²

public static cohensF ( number $measure_of_variance_explained ) : number
$measure_of_variance_explained	number	(R², η², ω²)
Результат	number