Garrett, Seems like it works fine in 1.9.2. I'd say it's a bug introduced due to changes in 1.9.3. Could you please file it as one? Thanks.
Arun From: G See [email protected] Reply: G See [email protected] Date: May 9, 2014 at 12:57:15 AM To: [email protected] [email protected] Subject: [datatable-help] merge zero row data.table Hi, Is the following error expected? > library(data.table) data.table 1.9.3 For help type: help("data.table") > a <- data.table(BOD, key="Time") > b <- data.table(BOD, key="Time")[Time < 0] # zero row data.table > merge(a,b, all=TRUE) # works fine Time demand.x demand.y 1: 1 8.3 NA 2: 2 10.3 NA 3: 3 19.0 NA 4: 4 16.0 NA 5: 5 15.6 NA 6: 7 19.8 NA > merge(b,a, all=TRUE) # error Error in setcolorder(dt, c(setdiff(names(dt), end), end)) : neworder is length 2 but x has 3 columns. Thanks, Garrett p.s. using svn Rev. 1263 _______________________________________________ datatable-help mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
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