[R] Optimum of lm

S Ellison S.Ellison at lgcgroup.com
Tue Jul 2 11:28:13 CEST 2013

>           I am trying to do some D o E. I would like to find 
> the optima
> (maxima) of a 2 dimensional lm with quadratic terms.
> I'm sure there is a really simple solution but i can't find it.
At least part of this problem is solved by the rsm package; that fits a quadratic response surface and provides the location of the maximum together with some diagnostics.

Steve Ellison

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