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Can BLUP and REML be improved upon?


Proceedings of the 4th World Congress on Genetics applied to Livestock Production, Edinburgh 23-27 July 1990 XIII Plenary lectures, molecular genetics and mapping, selection, prediction and estimation: 445-449
Can BLUP and REML be improved upon?
Non-linear, biased estimators and predictors of the James-Stein form were compared numerically with max. likelihood estimation of fixed effects and BLUP prediction. It is shown that, for some situations, relative to max. likelihood and BLUP, considerable improvement can be achieved in terms of conditional mean squared error and conditional absolute error by using James-Stein-type estimators and predictors. The possibility of improving upon Restricted Max.

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Accession: 002042286



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