Hi have anybody a hint how i could merge i.e. 10 data.frames togehter. Ok i could do one merge after another but perhaps with few coding exist a better way?
system.time(dm1 <- merge(Base,sub1 ,by.x ="MEMBERNO",by.y="MEMBERNO",all.x=T)) system.time(dm2 <- merge(dm2,sub2,by.x="MEMBERNO",by.y="MEMBERNO",all.x=T)) system.time(dm3 <- merge(dm2,sub3,by.x="MEMBERNO",by.y="MEMBERNO",all.x=T)) .................... many thanks , christian ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
