Erin Hodgess <erinm.hodgess <at> gmail.com> writes:
>
> Dear R People:
>
> Are there functions or packages for response surfaces, please?
>
RSiteSearch("response surface") does bring up a lot of hits,
although most of them are from people asking questions about
plotting 3D response surfaces in lattice etc..
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/137557.html
"fields" package
"spatial" package in MASS bundle (and ch. 15 of MASS)
"gnlm" package from Jim Lindsey
cheers
Ben Bolker
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