So I have Transactions as a dataframe and Transactions$Symbol is a column in the frame
I simply want to run sub over all elements in that column where the new value replaces the old value this doesn't seem to work Transactions$Symbol = lapply(Transactions$Symbol, function(x) sub('[ -]*','INST',x)) > > Transactions$Symbol NULL ______________________________________________ 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.