期刊
STATISTICS & PROBABILITY LETTERS
卷 82, 期 4, 页码 805-811出版社
ELSEVIER
DOI: 10.1016/j.spl.2012.01.007
关键词
INAR(1) models; INAR(2) models; Binomial thinning; Negative binomial thinning; Geometric marginal distribution
资金
- [MNTR 174013]
In this paper, we introduce some mixed integer-valued autoregressive models of orders 1 and 2 with geometric marginal distributions, denoted by MGINAR(1) and MGINAR(2), using a mixture of the well-known binomial and the negative binomial thinning. The distributions of the innovation processes are derived and several properties of the model are discussed. Conditional least squares and Yule-Walker estimators are obtained, and some numerical results of the estimations are presented. A real-life data example is investigated to assess the performance of the models. (C) 2012 Elsevier B.V. All rights reserved.
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