There are quite a few others. See: http://cran.r-project.org/web/views/ExperimentalDesign.html
On May 12, 2009, at 7:44 PM, Chris Howden wrote: > I've spent the last week or so looking at all the experimental design > packages I can find in R. AlgDesign, design.conf and BHH2 being the > best one > I could find. > > Unfortunately none of these do a particularly good job for complex > designs, > in particular for conjoint or discrete choice. (or perhaps they do, > and I > can't make them work correctly) > > Specifically, the problem is that none of them optimise the design > for main > effects or 2-way effects balance. So although the 'd-efficiency' is > optimised some 2 way interactions are not present in the design > (thereby > preventing the interaction from being modelled). And the main effects > balance is also quite bad, some levels being seen twice as often as > others!!!! > > So I was wondering if anyone out there has any experience in using R > for > complex design issues, and if so if they could point me in the > direction of > some good packages? Or maybe help me out with my 'balance' problem? > > Thanks for your help > > PS: And if all else fails I'm thinking about trying to extend > AlgDesign to > incorporate balance as a criteria when searching for designs. So just > wondering if there's anyone out there keen to help me (even if its > just > testing out my beta versions) [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.