In this paper, we consider the type II(a) designs of Williams. It was shown, essentially, by Kiefer that the type II(a) designs are asymptotically universally optimum for a first order autoregression with parameter $\lambda > 0$. We concentrate on the stationary first order autoregression with $\lambda > 0$ and the extra plot version of the II(a) designs. Our main results are that the design is $D$- and $A$-optimal then, but is not necessarily $E$-optimal when $\lambda$ is small.
@article{1176350613,
author = {Kunert, J. and Martin, R. J.},
title = {On the Optimality of Finite Williams II(a) Designs},
journal = {Ann. Statist.},
volume = {15},
number = {1},
year = {1987},
pages = { 1604-1628},
language = {en},
url = {http://dml.mathdoc.fr/item/1176350613}
}
Kunert, J.; Martin, R. J. On the Optimality of Finite Williams II(a) Designs. Ann. Statist., Tome 15 (1987) no. 1, pp. 1604-1628. http://gdmltest.u-ga.fr/item/1176350613/