Nisa, Khoirin and Herawati, Netti and Setiawan, Eri and Nusyirwan, Nusyirwan
(2017)
On Tweedie Family Distributions and Their Extensions.
MAKALAH SEMINAR NASIONAL METODE KUANTITATIF 2018.
(Unpublished)
Abstract
We study the Tweedie family distributions as special cases of exponential dispersion models (EDMs) which are two-parameter distributions from the exponen- tial family that have a scale parameter λ. According to such parameterization, the mean and variance for the Tweedie random variable X are given by E(X) =Γµ and Var(Y)= λµ , respectively, where p is an extra parameter that controls the variance of the distribution which is called “variance power” parameter. From this perspective, p some properties of Tweedie distribution are discussed. The multivariate extensions of Tweedie family are also presented.
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On Tweedie Family Distributions and Their Extensions. (deposited 28 Jun 2018 06:50)
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