On Tue, 30 Nov 2004, Sven wrote:

I'd like to apply a 2^k factorial design with k=10 parameters. Obviously this results in a quite long term for the model equation due to the high number of combinations of parameters.

How can I specify the equation for the linear model (lm) without writing all combinations explicitly down by hand? Does a R command exist for this problematic?


Use expand.formula() in the AlgDesign package.

--
Bob Wheeler --- http://www.bobwheeler.com/
        ECHIP, Inc. ---
Randomness comes in bunches.

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