Wow, didn't realize that worked! So there is precedent then. It just looks funny to me, but you are right it is easily avoided. I just didn't want to see more divergence from subset and data.frame logic, but since this already works with subset that's fine.
On Tue Feb 10 2015 at 1:34:03 PM Arunkumar Srinivasan <[email protected]> wrote: > Chris, > > But what’s the problem? You can simply not use it? > It’s not that uncommon. `base::subset()` does this. > > -- > Arun > > On 10 Feb 2015 at 19:31:43, Chris Neff ([email protected]) wrote: > > I don't like this idea. It adds extra that it doesn't need to. Doing it > with column numbers is more straightforward, and if all you have is names > you can get numbers by doing match() or whatever and then getting the > sequence with seq(). Having a sequence of column names is odd. > > On Tue Feb 10 2015 at 1:28:25 PM Arunkumar Srinivasan < > [email protected]> wrote: > >> Farrel, >> >> It could be useful. Please file an issue on the github project page. >> Thanks. >> >> -- >> Arun >> >> On 10 Feb 2015 at 01:08:46, Farrel Buchinsky ([email protected]) wrote: >> >> So lets say one has a data.table with the following columns >> >> first.name, last.name, height, weight, shoe.size, eye.color, >> hair.length, appendage.size, ear.length >> >> If one wanted to just include weight through hair.length one would have >> to go something such as this >> >> dt[,list(weight, shoe.size, eye.color, hair.length)] >> >> Is there a way to do something along the lines of >> >> dt[,list(weight...hair.length)] >> >> If so, can you direct me to the documentation? If not can you build it? >> Is it difficult? Some data.tables have many columns. >> >> Thanking you in anticipation. >> >> Farrel >> _______________________________________________ >> 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 > >
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