Zero-truncated generalized Poisson regression model and its score tests

Journal of East China Normal University(Natural Sc ›› 2010, Vol. 2010 ›› Issue (1): 17-23.

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Zero-truncated generalized Poisson regression model and its score tests

ZHAO Wei-hua¹, FENG Yu²,LI Ze-an¹

1. School of Sciences, Nantong University, Nantong Jiangsu226007, China; 2. Nanjing University of Science and Technology, Nanjing 210094, China

Received:2009-05-17 Revised:2009-07-21 Online:2010-01-25 Published:2010-01-25
Contact: ZHAO Wei-hua

Abstract

Abstract: This paper extended the ZTP regression model to Zero-truncated generalized Poisson regression model. An algorithm for estimating parameters was obtained and two score tests were presented for testing the ZTP regression model against the ZTGP regression model, and for testing the significance of regression coefficients. A numerical example was given to illustrate our method and the power of score tests was investigated by Monte Carlo simulation.

Key words: zero-truncated, score test, generalized Poisson regression, zero-truncated, score test

CLC Number:

O212

ZHAO Wei-hua;FENG Yu;LI Ze-an. Zero-truncated generalized Poisson regression model and its score tests[J]. Journal of East China Normal University(Natural Sc, 2010, 2010(1): 17-23.

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Zero-truncated generalized Poisson regression model and its score tests

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