Type ?ifelse
in the R prompt and hit enter you will have to put the yes (or the no) in " " in your ifelse command. Best, Daniel Jörg Groß wrote: > > Hi, > > I have a problem sorting a table; > > When I read a table into R by x <- read.table() I get something like > this: > > V1 V2 V3 > yes 1 3 > no 2 6 > yes 3 9 > no 4 12 > > Now I want to generate a vector of V2. > But R should only put in the numbers of V2 into the new vector when > there is the entry "yes" in V1. > > How can I realize that? > > Thanks for help. I am getting crazy trying to solve that ... > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/Sorting---editing-a-table-tp18379965p18380089.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.