# how would I code in R to look at the letter of the alphabet # in the second column and create a indicator column for the # corresponding letter?
data(InsectSprays) InsectSprays$spray ______________________________________________ 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.