PHP MathPHP\Statistics RandomVariable::skewness - 1 examples found. These are the top rated real world PHP examples of MathPHP\Statistics\RandomVariable::skewness extracted from open source projects. You can rate examples to help us improve the quality of examples.
https://en.wikipedia.org/wiki/Skewness
1 ∑⟮xᵢ - μ⟯³
γ₁ = ----- × ---------
N - 1 σ³
μ is the mean
σ³ is the standard deviation cubed, or, the variance raised to the 3/2 power.
N is the sample size