Zero-inflated Conway-Maxwell Poisson Distribution to Analyze Discrete Data
In this paper, we study the zero-inflated Conway-Maxwell Poisson (ZICMP) distribution and develop a regression model. Score and likelihood ratio tests are also implemented for testing the inflation/deflation parameter. Simulation studies are carried out to examine the performance of these tests. A d...
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
De Gruyter
2018
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/20656/ https://doi.org/10.1515/ijb-2016-0070 |
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| Institution: | Universiti Malaya |
| Summary: | In this paper, we study the zero-inflated Conway-Maxwell Poisson (ZICMP) distribution and develop a regression model. Score and likelihood ratio tests are also implemented for testing the inflation/deflation parameter. Simulation studies are carried out to examine the performance of these tests. A data example is presented to illustrate the concepts. In this example, the proposed model is compared to the well-known zero-inflated Poisson (ZIP) and the zero-inflated generalized Poisson (ZIGP) regression models. It is shown that the fit by ZICMP is comparable or better than these models. |
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