void GammaStat(double A, double B, double &AMean, double &AVariance, double &ASkewness, double &AKurtosis);
Gamma distribution moments (mean, variance, skewness, excess kurtosis).
| # | Name | Type | Description |
|---|---|---|---|
| 1 | A | double | Shape parameter, real value > 0. |
| 2 | B | double | Scale parameter, real value > 0. |
| 3 | AMean | double & | Returns the mean, = A*B (shape A times scale B). |
| 4 | AVariance | double & | Returns the variance, = A*B^2. |
| 5 | ASkewness | double & | Returns the skewness, = 2/sqrt(A). |
| 6 | AKurtosis | double & | Returns the EXCESS kurtosis, = 6/A. |
Remarks:
Returns the moments of the Gamma distribution with shape A and scale B. If A <= 0 or B <= 0 all four outputs are NAN.
Declared in Dew::Math::Units::Probabilities · Dew.Math/Units.Probabilities.h · Cross-compiler