2009-04-30

SAS goes with sparse matrices

SAS has introduced experimental procedure HPMIXED (High Performance MIXED) in version 9.2. This is a welcome addition and now SAS could probably solve the problem I encountered lately with a large mixed model described here. I really like R and its community (which is getting bigger and bigger and more and more connected to other communities!), but I must say that for me SAS has made quite some important moves lately - see here, here, and here.

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