> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of erinu > Sent: Wednesday, October 23, 2013 11:14 AM > To: r-help@r-project.org > Subject: [R] How to view un-sampled data from a randomly sampled > dataset > > Hi there- > > I have a 150 row dataset (data). I create "y" a randomly sampled > (without > replacement) set number of observations (40): > > y<-data[sample(1:nrow(data),40,replace=FALSE),] > > I would like to make a new variable "x" that contains the leftover > non-sampled 110 observations. I am sure there is a fairly easy way to > do > this. > > Any help would be greatly appreciated. > > THANKS! > >
Perhaps something like ndx <- sample(1:nrow(data),40,replace=FALSE) y <- data[ndx,] x <- data[-ndx,] hope this is helpful, Dan Daniel J. Nordlund, PhD Research and Data Analysis Division Services & Enterprise Support Administration Washington State Department of Social and Health Services ______________________________________________ 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.
