It is equivalent to 'as.integer(42)'. See for example http://cran.r-project.org/doc/manuals/R-lang.html#Constants
On Tue, Nov 29, 2011 at 4:04 PM, Farrel Buchinsky <[email protected]> wrote: > In the following examples, what does the "L" stand for. How could I have > found out without bothering you for what is probably a simple matter > > DT[,z:=42L] # add new column by reference > DT[,z:=NULL] # remove column > DT["a",v:=42L] # subassign v by reference > > Farrel Buchinsky > > > > _______________________________________________ > 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
