[R] Single factor from interaction.

From: Rolf Turner <rolf_at_math.unb.ca>
Date: Thu 26 May 2005 - 22:24:38 EST

I have a vague recollection of seeing reference, fairly recently, to a function that forms a single factor which ``codes'' the interaction between two (or more?) factors. Do I recollect correctly? It would be easy enough to roll one's own, but if there is an existing function it probably does a much cleverer job than I would do.

                                cheers,

					Rolf Turner
					rolf@math.unb.ca

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