I have a data frame containing variables "yr3",...,"yr28".
How do I remove them with a wild card----something similar to "del yr*" in Windows/doc? Thank you.
> colnames(mydata) [1] "year" "weight" "confeduc" "confothr" "college" [6] ... [41] "yr3" "yr4" "yr5" "yr6" "yr7" [46] "yr8" "yr9" "yr10" "yr11" "yr12" [51] "yr13" "yr14" "yr15" "yr16" "yr17" [56] "yr18" "yr19" "yr20" "yr21" "yr22" [61] "yr23" "yr24" "yr25" "yr26" "yr27" [66] "yr28"... ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
