Hi, it might be trivial but is there any way to get the logical vector of the indices of a string in a vector? I thought that %in% would do but it doesn't. I also want to filter the empty fields. Here I want to extract the non-empty elements containing "Yes":x =c("Yes, fsd", "", "No","","Yes, fjsdlf", "") x[c("Yes") %in% x & x != ""]character(0)
Above, I wanted to do the 2 following operations in 1. Here with grep, it works but %in% in above doesn't:y = x[grep("Yes", x)] > y = y[y != ""] > y [1] "Yes, fsd" "Yes, fjsdlf" Thanks Carol [[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.