| 释义 |
Definition of gamma distribution in English: gamma distributionnoun A continuous statistical distribution of two parameters α and β of which the chi-squared and exponential distributions are special cases, given by f(x) = βα x α−1 e −βx/Γ(α), for x, α, β all positive, where Γ is the gamma function.
Origin 1930s; earliest use found in Annals of Mathematical Statistics. Definition of gamma distribution in US English: gamma distributionnoun A continuous statistical distribution of two parameters α and β of which the chi-squared and exponential distributions are special cases, given by f(x) = βα x α−1 e −βx/Γ(α), for x, α, β all positive, where Γ is the gamma function.
Origin 1930s; earliest use found in Annals of Mathematical Statistics. |