[datatable-help] Ordering of filter expressions

[Johann Hibschman]

Thanks. Since I'm running this on Windows, I figure I'll just flip my
conditions (round(x)==x) for now and wait until 1.9.5 is released, and
if something still doesn't work, I'll try that option.

On Mon, Dec 15, 2014 at 5:00 PM, Jeff Zemla <jeffzemla at gmail.com> wrote:
> This can be fixed in 1.9.4 by doing:
>
> options(datatable.auto.index=FALSE)
>
> though I recommend upgrading to 1.9.5 instead
>
>
> On Mon, Dec 15, 2014 at 3:38 PM, Arunkumar Srinivasan
> <aragorn168b at gmail.com> wrote:
>>
>> 1.9.5 is the current devel version. Bugs from 1.9.4 are likely to be fixed
>> there.
>>
>> On Mon, Dec 15, 2014 at 9:30 PM, Bacou, Melanie <mel at mbacou.com> wrote:
>>>
>>> I can reproduce in 1.9.4:
>>>
>>> > library(data.table)
>>> data.table 1.9.4  For help type: ?data.table
>>> *** NB: by=.EACHI is now explicit. See README to restore previous
>>> behaviour.
>>> Warning message:
>>> package 'data.table' was built under R version 3.1.1
>>> > 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
>>>
>>> > versionInfo()
>>> Error: could not find function "versionInfo"
>>> > sessionInfo()
>>> R version 3.1.0 (2014-04-10)
>>> Platform: x86_64-w64-mingw32/x64 (64-bit)
>>>
>>> locale:
>>> [1] LC_COLLATE=English_United States.1252
>>> [2] LC_CTYPE=English_United States.1252
>>> [3] LC_MONETARY=English_United States.1252
>>> [4] LC_NUMERIC=C
>>> [5] LC_TIME=English_United States.1252
>>>
>>> attached base packages:
>>> [1] stats     graphics  utils     datasets  grDevices methods   base
>>>
>>> other attached packages:
>>> [1] data.table_1.9.4 rj_1.1.3-1
>>>
>>> loaded via a namespace (and not attached):
>>> [1] chron_2.3-45  plyr_1.8.1    Rcpp_0.11.3   reshape2_1.4  rj.gd_1.1.3-1
>>> [6] stringr_0.6.2 tools_3.1.0
>>>
>>>
>>>
>>> On 12/15/2014 9:53 AM, Arunkumar Srinivasan wrote:
>>>
>>> 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 <jhibschman at gmail.com>
>>> 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
>>>> <jhibschman at gmail.com> 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
>>>> _______________________________________________
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>>>>
>>>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>>>
>>>
>>>
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>>>
>>> --
>>> Melanie BACOU
>>> International Food Policy Research Institute
>>> Snr. Program Manager, HarvestChoice
>>> Work +1(202)862-5699
>>> E-mail m.bacou at cgiar.org
>>> Visit www.harvestchoice.org
>>
>>
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