A new Liu-type estimator in a mixed Poisson regression model by Ohud A. Alqasem, Ali T. Hammad, M. M. Abd El-Raouf, Abdirashid M. Yousuf, Ahmed M. Gemeay

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New two parameter hybrid estimator for zero inflated negative binomial regression models by Fatimah A. Almulhim, M. Nagy, Ali T. Hammad, A. H. Mansi, Getachew Tekle Mekiso, M. M. Abd El-Raouf

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A comprehensive study on robust Poisson James–Stein estimator for outlier and multicollinearity: Simulation and applications by Ohud A. Alqasem, Ali T. Hammad, Abdirashid M. Yousuf, E. Lsiddig Idriss Mohamed, Amin M. A. Haleeb, Ahmed M. Gemeay

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New robust two-parameter estimator for overcoming outliers and multicollinearity in Poisson regression model by Hebatalla H. Mohammad, Ali T. Hammad, Abeer A. EL-Helbawy, Zakiah I. Kalantan, Alexis Habineza, Eslam Hussam, Ahmed M. Gemeay

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