Whoops! Sorry I try to keep synced to the latest devel version, but sometimes because of work related updates packages get overwritten back to the latest public version. Sorry about that.
I also found an easy workaround since the number of unique values is low, I can make it an ordered factor. On Wed Feb 12 2014 at 11:04:10 AM, Arunkumar Srinivasan < [email protected]> wrote: > Caneff, > > I'm guessing you're using 1.8.10. This has been fixed a while ago in the > current devel version 1.8.11. Or you can wait until the next release (which > should be very soon now). > Arun > ------------------------------ > From: [email protected] [email protected] > Reply: [email protected] [email protected] > Date: February 12, 2014 at 5:02:14 PM > To: [email protected] > [email protected] > Subject: [datatable-help] Infinite numeric key doesn't collapse > > I have a numeric key in a data.table that sometimes has infinite values. I > discovered today that Inf does not collapse when used in a by. Is this > expected? It surprised me: > > DT <- data.table(x=rep(c(1,Inf), each=10), y=1:20) > > DT[, sum(y), by=x] # The x==1 cases collapse, but the Inf cases don't > > _______________________________________________ > datatable-help mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help > >
_______________________________________________ datatable-help mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
