Hi, Try: comb[,as.numeric(temp[1])] #[1] "V1" "V2" comb[,as.numeric(temp[3])] #[1] "V1" "V3"
A.K. i have two data frame >comb [,1] [,2] [,3] [,4] [,5] [,6] [1,] "V1" "V1" "V1" "V1" "V1" "V1" [2,] "V2" "V2" "V2" "V3" "V3" "V4" >table V1 V2 1 V1V2 3 2 V1V3 3 5 V2V3 3 i select row name by function rownames(table) and stored it in a data frame temp<-data.frame() temp<-rowname(table) i want to selcect column of other data frame using this reference. comb[,temp[1]]..but its not working.. because temp[1] is "1" comb[,"1"] is not vaild. who to over come this?? ______________________________________________ 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.
