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? >
x[x$V1=="yes","V2"] vQ ______________________________________________ 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.