http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
John Kane Kingston ON Canada > -----Original Message----- > From: peter.kup...@me.com > Sent: Fri, 16 Nov 2012 15:04:31 +0100 > To: r-help@r-project.org > Subject: [R] Deleting rows with special character > > Dear all, > maybe a simple problem but I found no solution for my problem. > I have a matrix Y with 23 000 rows and 220 colums. The entries are "A", > "B" or "C". > I want to extract all rows (as a matrix ) of the matrix Y where all > entries of a row are (for example) "A". > Is there any solution? I tried the stringr- package but i doesn't work > out. > All the best and thanks! > Peter > > ______________________________________________ > 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. ____________________________________________________________ FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! ______________________________________________ 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.
