6Karen C, H, Kelvin K, Y, Yau W. On Modeling Claim Frequen- y data in General Insurance with Extra Zeros [J].Insurance: Mathmatics and Economics,2005,(36).
7Vandenbroke J. A Score Test Zero Inflation in a Poisson-distribution[J].Biometrics, 51, (2).
8Panjer H H. Recursive Evaluation of A Family of Compound Distributions[J].ASTIN Bulletin,1981,(12).
4[1]Ambagaspitiya,R.S.(1995), A family of discrete discrete distributions[J]. Insurance Mathematics And Economics(16)2,107-127.
5[2]Gerber,H.U.(1992).From the generalized gamma to the generalized negative binomial distribution[J]. Insurance Mathematics And Economics(10)4,303-309.
6[3]Hossack,I.B.,J.H.Pollard,and B.Zehnwirth. Introductory statistics with applications in general insurance[M]. Cambridge: Cambridge University Press.(1983).
7[4]Hougaard,P.Survival models for heterogeneous populations derived from stable distributions[J]. Biometrika(1986)73,387-397.