Hi Matthew, Thanks for the update and taking care of this!
-steve On Sun, Aug 29, 2010 at 6:16 PM, Matthew Dowle <[email protected]> wrote: > > > setkey now coerces character to factor (as Steve suggested), and double to > integer (provided they are all.equal). > > > Steve Lianoglou wrote: >> >> Would it make sense to autoconvert characters to factors when setting >> a character column as a key? >> df <- data.frame(a=LETTERS[1:10], b=1:10, stringsAsFactors=F) >> dt <- data.table(df) >> key(dt) <- 'a' >> All keyed columns must be storage mode integer >> dt <- data.table(df, key='a') >> Error in setkey(value, a) : >> All keyed columns must be storage mode integer >> > > That became bug #953, now fixed with tests 215-219 added. > >> df <- data.frame(a=LETTERS[1:10], b=1:10, stringsAsFactors=F) >> dt <- data.table(df) >> key(dt) <- 'a' >> dt["C"] > a b > [1,] C 3 > > > Matthew > > > -- > View this message in context: > http://r.789695.n4.nabble.com/Auto-convert-characters-to-factors-when-settings-keys-tp2315281p2399401.html > Sent from the datatable-help mailing list archive at Nabble.com. > _______________________________________________ > datatable-help mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help > -- Steve Lianoglou Graduate Student: Computational Systems Biology | Memorial Sloan-Kettering Cancer Center | Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact _______________________________________________ datatable-help mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
