[R] Project

! Colton Hunt __ 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.

[R] Not-In operator

I would like to use grep to return all the lines of a data frame that do not contain the letters HD. I have tried the ^ inside brackets as well as !. The data frame is one column consisting of spaces,numbers, and letters with several thousand rows. Thank you! Colton [[alternative HTML vers