[R] beginner's questions about lme, fixed and random effects

Prof Brian Ripley ripley at stats.ox.ac.uk
Mon Dec 3 17:09:30 CET 2001

On 3 Dec 2001, Peter Dalgaard BSA wrote:

> I think I have to disagree a little with previous correspondents. It
> would be useful to have lme fit a model with no random effects, but it
> currently will not. You can fool it in two ways to produce the t-test:

But gls() will, in ways that are compatible enough with lme().

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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