[Rd] Re: desiderata for data manipulation

Prof Brian Ripley Prof Brian Ripley <ripley@stats.ox.ac.uk>
Wed, 1 Nov 2000 16:01:36 +0000 (GMT)

> From: rossini@blindglobe.net (A.J. Rossini)
> Date: 01 Nov 2000 07:47:21 -0800


> Thanks for the pointer to stack/unstack -- now, having been reminded,
> I think I'd seen these float through on the list (still doesn't solve
> the missing modeling routines (parametric GLMMs, some of the
> econometrics stuff -- does R _easily_ do 3SLS?), but they'll appear
> sometime, I assume).

Only if someone is interested enough to write them....  Actually,
I thought parametric GLMMs were an unsolved research problem in
general, even in, say, the logistic case.  I know there are
suggestions in special cases (and there is a glmm function in one
of Jim Lindsey's packages) but all the simple ones can be seriously
incorrect AFAIK.

Brian D. Ripley,                  ripley@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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