Abstract
The subject of optimality of block designs under the mixed model has been undertaken in the eighties. Up to today there are not many papers considering the problem, contrary to the case of the fixed model. The papers of Bagchi (1987a,b), Mukhopdhyay (1981), Khatri and Shah (1984), Bhattacharya and Shah (1984) or Jacroux (1989) deal with the optimality of block designs under mixed model of a special simple kind.
Different ways of double randomization (depending on structure of experimental material) give more complicated mixed models. Many authors considered randomization models from the estimation and testing point of view, and they underlined the adequacy (by the nature of the problem) and applicability of the model to practical experiments (Fisher, 1926; Neyman, Iwaszkiewicz and Kolodziejczyk, 1935; Nelder, 1965; Ogawa and Ikeda, 1973; Caliński and Kageyama, 1991; Kala, 1991). We consider a class of block designs under such models having the property of general balance which makes considerations of optimality easier. We present conditions for a design to be optimal design in a general sense, i.e. optimal with respect to a wide class of criteria (considered formerly under the fixed model).
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Bogacka, B., Mejza, S. (1994). Optimality of Generally Balanced Experimental Block Designs. In: Caliński, T., Kala, R. (eds) Proceedings of the International Conference on Linear Statistical Inference LINSTAT ’93. Mathematics and Its Applications, vol 306. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1004-4_20
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DOI: https://doi.org/10.1007/978-94-011-1004-4_20
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