Listy Biometryczne - Biometrical Letters vol. 42(1), 2005, pp. 57-66


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VARIANCE COMPONENTS ESTIMATION IN NESTED DESIGNS

Miguel Fonseca1, Vera de Jesus2, Joăo T. Mexia3

1New University of Lisbon, Faculty of Sciences and Technology, fmig@fct.unl.pt,
2Setúbal Polytechnic Institute, College of Business Administration, vjesus@esce.ips.pt,
3New University of Lisbon, Faculty of Sciences and Technology, jtm@fct.unl.pt


Estimation of error components in nested complete designs with any number of levels is presented, with an analysis of the negative estimators problem. It is also shown how it is possible to extend the results to the unbalanced case and an application to viniculture is presented.