using maximum likelihood (ML). The ML method is very sensitive to multicollinearity. Therefore, we present a new Poisson … calculate the mean squared error (MSE) using Monte Carlo simulations. The result from the simulation study shows that the PRR …

the random error and increasing the correlation between the independent variables have negative effect on the MSE. When … the sample size increases the MSE decreases even when the correlation between the independent variables and the variance … of the random error are large. In all situations, the proposed estimators have smaller MSE than the ordinary least …

performance of these new estimators are judged by calculating the mean square error (MSE) using Monte Carlo simulations. In the …

. The mean squared of error (MSE) is used as criterion to examine the performance of the proposed estimators when compared … smaller (MSE) than the ordinary least squared estimator (OLS) and Hoerl and Kennard (1970a) estimator (HK). …

(MSE) of the proposed estimators are derived under both null and alternative hypotheses. By studying the MSE criterion, the …

classical maximum likelihood (ML) method in the presence of multicollinearity since the mean squared error (MSE) of ML becomes … MSE and mean absolute error (MAE) are calculated it is shown that when the Liu estimator is applied with these proposed …

multicollinearity. This paper introduces a shrinkage estimator for the logit model which is a generalization of the estimator proposed … by Liu (1993) for the linear regression. This new estimation method is suggested since the mean squared error (MSE) of … are highly correlated. Using MSE, the optimal value of the shrinkage parameter is derived and some methods of estimating …

addressed for this model is multicollinearity. This paper proposes ridge regression estimators and some methods of estimating … estimators. Both MSE and MAE are considered as performance criterion. The simulation study shows that some estimators are better …

developed by Alkhamisi and Shukur (2008), AS, when the explanatory variables are affected by multicollinearity. Nine ridge …