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Bayes Prediction for a Heteroscedastic Regression Superpopulation Model Using Balanced Loss Function
Authors:Ashok K Bansal
Institution:Department of Statistics , University of Delhi , Delhi, India
Abstract:We consider Prais–Houthakker heteroscedastic normal regression model having variance of the dependent variable same as square of its expectation. Bayes predictors for the regression coefficient and the mean of a finite population are derived using Zellner's balanced loss function. Bayes predictive expected losses are obtained and compared with those of classical predictors and Bayes predictors under squared error loss function to examine their loss robustness.
Keywords:Balanced loss function (BLF)  Bayes predictive expected loss  Generalized inverse normal (GIN)  Lindley's approximation  Parabolic cylinder function
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