I have model Y=mu+A+B+C+D+E+F+G+H+5 interactions, that is 8 main effects and 5 interactions, all considered to be random effects (except for th mu). I will have about 300000 observed y-s. My question to you is if this is possible to do with nlme and R? If not, what is the approximate upper limit? Thanks in advance! -- Anders L?land Norsk Regnesentral Tel. 22 85 26 64 http://www.nr.no/ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._