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03- Journal of Statistics Applications & Probability
An International Journal


Volumes > Vol. 9 > No. 2


A Comparative Study of Robust Estimators for Poisson Regression Model with Outliers

PP: 279-286
Mohamed Reda Abonazel, Omnia Mohamed Saber,
The present paper considers Poisson regression model in case of the dataset that contains outliers. The Monte Carlo simulation study was conducted to compare the robust (Mallows quasi-likelihood, weighted maximum likelihood) estimators with the nonrobust (maximum likelihood) estimator of this model with outliers. The simulation results showed that the robust estimators give better performance than maximum likelihood estimator, and the weighted maximum likelihood estimator is more efficient than Mallows quasi-likelihood estimator.

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