Is that with 1.7.3 on R-Forge? If so I think I know. > I have a data.frame DF with a factor column "foo", it has X unique > levels. When I do > DT=data.table(DF) > key(DT) = "foo" > > DT then has X-1 unique levels, and one repeated level. I then > continually get messages saying that repeated levels are no longer > allowed. > > The level that goes missing looks like: > > "blahblah�0123456789" > > > There is a special character that I don't know what it is in there I > hope it shows through in the email. > After setting key(DT) , there is a completely different level that is > duplicated, and the level above goes missing. > > > I'm not quite sure how to replicate this with data I can show. It > seems a weird bug. Any thoughts? > _______________________________________________ > datatable-help mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
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