Monica Pisica wrote: > Hi everyone, > > I have a vector of strings, each string made up by different number of words. > I want to get a new vector which has only the first word of each string in > the first vector. I came up with this: > > str <- c('aaa bbb', 'cc', 'd eee aa', 'mmm o n') > str1 <- rep(1, length(str)) > for (i in 1:length(str)) { > str1[i] <- strsplit(str, " ")[[i]][1] > } > str1 > 'aaa' 'cc' 'd' 'mmm' > > Now, is there any way to do this simpler? > > sapply(strsplit(str, " "), "[", 1) [1] "aaa" "cc" "d" "mmm"
-- O__ ---- Peter Dalgaard Ă˜ster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ 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.