Preprint series: 06-39, Preprints
- 62K05 Optimal designs
- 62J05 Linear regression
Abstract: The purpose of this note is to show by a simple example that some of the favourite results in optimal design theory do not necessary carry over if random effects are involved. In particular, the usage of the popular $D$-criterion appears to be doubtful.
Keywords: Optimal design, mixed linear model, random coefficient regression
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