by Graßhoff, U., Holling, H., Schwabe, R..
Series: 2009-07, Preprints
Random coefficients may result in heteroscedasticity of observations. For situations, where only one observation is available per individual, we derive optimal designs based on the geometry of the design locus.
optimal design, random coefficient regression, linear mixed model, heteroscedastic linear model, geometry of design locus