Hello, Maybe the following (untested).
table(df$Protocol[df$Speed == "SLOW"]) Hope this helps, Rui Barradas Citando ch.elahe via R-help <r-help@r-project.org>: > 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.htmland provide commented, > minimal, self-contained, reproducible code. [[alternative HTML version deleted]] ______________________________________________ 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.
