Hi all, I have the following df:
$ Protocol : Factor w/ 48 levels "DP FS QTSE SAG",..: 2 3 43 42 31 36 37 30 28 5 ... $ Speed : chr "SLOW" "SLOW" "SLOW" "VerySLOW" ... How can I get the most frequent Protocol when Speed is "SLOW"? Thanks for any help! Elahe ______________________________________________ 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.