Vol. 8 No. 2 (2009): Mapana Journal of Sciences
Research Articles

An Empirical Comparison of Maximum Likelihood and Moment Estimators of Parameters in a Zero-inflated Poisson Model

  • G. Nanjundan,
  • A. Loganathan,
  • T. Raveendra Naika
G. Nanjundan
Bangalore University
A. Loganathan
M.S. University, Tirunelveli
T. Raveendra Naika
Maharani's Science College for Women, Bangalore
DOI: https://doi.org/10.12723/mjs.15.7

Published 2009-11-30

Keywords

  • Zero-inflated models,
  • Poisson distribution,
  • Maximum likelihood estimators,
  • EM Algorithm,
  • Moment estimators,
  • Asymptotic normality.
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Abstract

The zero-inflated Poisson model is discussed in the context of a real life situation. The moment estimators of the parameters in the model are obtained and they are compared with the respective maximum likelihood estimators through simulation.