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stat.ME2023
Liu-type Shrinkage Estimators for Mixture of Poisson Regressions with Experts: A Heart Disease Study
Elsayed Ghanem, Moein Yoosefi, Armin Hatefi
Count data play a critical role in medical research, such as heart disease. The Poisson regression model is a common technique for evaluating the impact of a set of covariates on t…
stat.ME2014
Proportion estimation based on a partially rank ordered set sample with multiple concomitants in a breast cancer study
Armin Hatefi, Mohammad Jafari Jozani
In this paper, we use partially rank-ordered set (PROS) sampling design with multiple concomitants in a breast cancer study and propose a method to estimate the proportion of patie…