I think I like this proposal - maybe you should write up a few examples of what current behavior is, vs the proposed behavior.
On Fri, May 3, 2013 at 6:54 PM, Gabor Grothendieck <[email protected]>wrote: > data.table is supposed to generalize indexing and although not > explicitly stated the generalization seems to be that indexing is > merging with the row numbers so there is indeed merging going on and > that merging should respect nomatch= for consistency. > > On Fri, May 3, 2013 at 6:54 PM, Eduard Antonyan > <[email protected]> wrote: > > There is no join'ing happening here, thus nomatch=0 has no effect. > > > > > > On Fri, May 3, 2013 at 5:52 PM, Gabor Grothendieck < > [email protected]> > > wrote: > >> > >> The definition of DT was left out by mistake. It should be: > >> > >> DT <- data.table(a=letters[1:3]) > >> > >> > >> On Fri, May 3, 2013 at 6:50 PM, Gabor Grothendieck > >> <[email protected]> wrote: > >> > Consider this example: > >> > > >> >> DT[1:4,,nomatch=0] > >> > a > >> > 1: a > >> > 2: b > >> > 3: c > >> > 4: NA > >> > > >> > Should it not return only the first 3 rows? It seems to be ignoring > >> > the nomatch=0. > >> > > >> > -- > >> > Statistics & Software Consulting > >> > GKX Group, GKX Associates Inc. > >> > tel: 1-877-GKX-GROUP > >> > email: ggrothendieck at gmail.com > >> > >> > >> > >> -- > >> Statistics & Software Consulting > >> GKX Group, GKX Associates Inc. > >> tel: 1-877-GKX-GROUP > >> email: ggrothendieck at gmail.com > >> _______________________________________________ > >> datatable-help mailing list > >> [email protected] > >> > >> > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help > > > > > > > > -- > Statistics & Software Consulting > GKX Group, GKX Associates Inc. > tel: 1-877-GKX-GROUP > email: ggrothendieck at gmail.com >
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