1) X <- subset(A, (t < 1000) | (t > 1200)) 2) X <- subset(A, (t > 1000) & (t < 1200))
On Mon, Jul 13, 2009 at 9:47 AM, Mark Knecht<markkne...@gmail.com> wrote: > How would I write the two selections each in a single subset command? > > 1) Two non-overlapping time ranges I want to collect together - before > 10AM and after noon. Should be an OR function: > > X = subset(A, t<1000) + subset(A, t>1200) > > 2) One range between two defined times like after 10AM and before > noon. Should be an AND function: > > X1 = subset(A, t>1000) > X = subset(X1, t<1200) > > Thanks, > Mark > > P.S. - The help system seems very difficult for finding this sort of > information! > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.
