> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of e-letter > Sent: Tuesday, December 11, 2012 11:45 PM > To: r-help@r-project.org > Subject: [R] remove last row of a data frame > > Readers, > > For a data set 'a': > > 1 > 2 > 3 > 4 > > Please what is the syntax to remove the last row and create a new object > 'b': > > 1 > 2 > 3 > > Thanks. >
If by data set a you mean a data frame called a, then something like this should work: b <- a[-nrow(a),] If you haven't already read the manual, "An Introduction to R", that ships with every copy of R, then now is the time. hope this is helpful, Dan Daniel Nordlund Bothell, WA USA ______________________________________________ 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.
