Thanks for reporting. Now fixed in 1.7.1. (The long warning message is correct though.) Matthew
On Thu, 2011-10-20 at 14:45 -0700, mhwaliji wrote: > I tried out the new version of data.table using the following command. > > svn checkout svn://svn.r-forge.r-project.org/svnroot/datatable/pkg@373 > > However, I get the following error with :=. Note that it set all the values > of y to 1, not just the rows selected. Is this a new bug, or am I perhaps > retrieving from the wrong repository? > > > DT <- data.table(x=rep(c(1, 2), each=5), y=11:20) > > DT[x == 1, y := x] > x y > [1,] 1 1 > [2,] 1 1 > [3,] 1 1 > [4,] 1 1 > [5,] 1 1 > [6,] 2 1 > [7,] 2 1 > [8,] 2 1 > [9,] 2 1 > [10,] 2 1 > Warning message: > In `[.data.table`(DT, x == 1, `:=`(y, x)) : > Coerced numeric RHS to integer to match the column's type; may have > truncated precision. Either change the column to numeric first (by creating > a new numeric vector length 10 (nrows of entire table) yourself and > assigning that; i.e. 'replace' column), or coerce RHS to integer yourself > (e.g. 1L or as.integer) to make your intent clear (and for speed). Or, set > the column type correctly up front when you create the table and stick to > it, please. > > Thanks, > Muhammad > > -- > View this message in context: > http://r.789695.n4.nabble.com/Problem-with-in-datatable-1-7-0-tp3923534p3923534.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 _______________________________________________ datatable-help mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
