Antille, Gérard; Dette, Holger - Institut für Wirtschafts- und Sozialstatistik, … - 2001
In this note we consider the D-optimal design problem for the heteroscedastic polynomial regression model. Karlin and Studden (1966a) found explicit solutions for three types of efficiency functions. We introduce two ‘new’ functions to model the heteroscedastic structure, for which the...