On Oct 23, 2013, at 20:13 , erinu wrote: > 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! >
Just hold on to the indices: s <- sample(1:nrow(data), 40, replace=FALSE) y <- data[s,] x <- data[-s,] -pd > > > -- > View this message in context: > http://r.789695.n4.nabble.com/How-to-view-un-sampled-data-from-a-randomly-sampled-dataset-tp4678887.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ 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.
