On Thu, Jul 16, 2015 at 12:40 PM, tryingtolearn <inshi...@ymail.com> wrote:
> Say I have a list: > [[1]] "I like google" > [[2]] "Hi Google google" > [[3]] "what's up" > > and they are tweets. And I want to find out how many tweets mention google > (the answer should be 2). > If I string split and unlist them, then I would get the answer of 3. How do > I make sure I get just 2? > NROW(grep("google",list,ignore.case=TRUE)) -- Schrodinger's backup: The condition of any backup is unknown until a restore is attempted. Yoda of Borg, we are. Futile, resistance is, yes. Assimilated, you will be. He's about as useful as a wax frying pan. 10 to the 12th power microphones = 1 Megaphone Maranatha! <>< John McKown [[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.