statistics a continuous two-parameter distribution from which the chi-square and exponential distributions are derived, written Gamma (α. β), where α and β are greater than zero, and defined in terms of the gamma function
Gamma distribution – Wikipedia
Gamma distribution – Wikipedia
Gamma Distribution | Brilliant Math & Science Wiki
Inverse-gamma distribution – Wikipedia
1.3.6.6.11. Gamma Distribution
Gamma distribution. The two-parameter gamma distribution is