http://stackoverflow.com/questions/5863097/selecting-only-numeric-columns-from-a-data-frame
John Kane Kingston ON Canada > -----Original Message----- > From: bdecicco2...@yahoo.com > Sent: Sat, 16 Feb 2013 10:15:35 -0800 (PST) > To: r-help@r-project.org > Subject: [R] Extracting Numeric Columns from Data Fram > > Hello, > > I've got a data frame with a mix of numeric, integer and factor columns. > I'd like to pull out (or just operate only on) the numeric/integer > columns. > Every thing I've found in searches is about how to subset by rows, > or how to operate assuming you have the column names. I'd like to pull > by type. > > Thanks! > > Barry > > [[alternative HTML version deleted]] > > ______________________________________________ > 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.
