I can't reproduce this in 1.9.5 (current devel): http://github.com/Rdatatable/data.table
On Mon, Dec 15, 2014 at 3:26 PM, Johann Hibschman <[email protected]> wrote: > > I finally had time to put together a minimal example: > > > d <- data.table(a=1:2, b=1:2) > > d[round(a) == a] > a b > 1: 1 1 > 2: 2 2 > > d[a == round(a)] > Error in eval(expr, envir, enclos) : object 'a' not found > > Is this a bug, or am I missing something about the scoping rules? > > R 3.1.2, data.table 1.9.4, on Windows 7. > > Thanks, > Johann > > On Fri, Dec 12, 2014 at 10:18 AM, Johann Hibschman <[email protected]> > wrote: > > I just ran into an issue where d[X==round(X)] gives different results > > from d[round(X) == X]. Why would that happen? > > > > Here's the exact example: > > > >> z.dev[YIELD == round(YIELD),] > > Error in eval(expr, envir, enclos) : object 'YIELD' not found > >> z.dev[round(YIELD) == YIELD,] > > runId dealName cusip scenarioId shockId pathOrder PRICE100 > > YIELD MOD_DURN MOD_CONVEXITY DISC_MARGIN SPREAD_BP > > 1: 10556 HVML0501 41161PLE1 772 0 3 54.5094 > > 6 4.739 0.431 400 418 > > 2: 10556 HVML0501 41161PLE1 773 0 3 52.9452 > > 6 4.706 0.427 400 424 > > > > Thanks, > > Johann > _______________________________________________ > datatable-help mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help >
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