e/Generalized chi-square distribution

Information
has gloss	eng: In probability theory and statistics, the specific name generalized chi-square distribution (also generalized chi-squared distribution) arises in relation to one particular family of variants of the chi-square distribution. There are several other such variants for which the same term is sometimes used, or which clearly are generalizations of the chi-squared distribution, and which are treated elsewhere: some are special cases of the family discussed here, for example the noncentral chi-square distribution and the gamma distribution, while the generalized gamma distribution is outside this family. The type of generalisation of the chi-squared distribution that is discussed here is of importance because it arises in the context of the distribution of statistical estimates in cases where the usual statistical theory does not hold.
lexicalization	eng: generalized chi-square distribution
instance of	c/Continuous distributions