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how to add in interaction terms in gamm
2011 Mar 23
1
how to add in interaction terms in gamm
...dentified by dummy variable genea and geneb. My question is how to add in an interaction term between the time and another dummy variable such as gender? fitm<-gamm(change_gfr~ genea+geneb+s(timea_n,bs="ps")+s(timeb_n,bs="ps")+s(timec_n,bs="ps"),data=mm,random=list(time_n=~1|PID)) -- View this message in context: http://r.789695.n4.nabble.com/how-to-add-in-interaction-terms-in-gamm-tp3400243p3400243.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]]