[datatable-help] unique() not working. Is it me or the code?

[Arunkumar Srinivasan]

Farrel,

Glad it's resolved!

On Tue, Jan 27, 2015 at 4:26 PM, Farrel Buchinsky <fjbuch at gmail.com> wrote:

> Thank you Jeff Zemla
> That fixed it. I reinstalled data.table and it all worked. Wonder how that
> happened. I just installed R 3.1.2 and am almost certain that I reinstalled
> data.table yesterday after upgrading R.
>
> Farrel Buchinsky
> Google Voice Tel: (412) 567-7870
>
> On Tue, Jan 27, 2015 at 10:06 AM, Jeff Zemla <jeffzemla at gmail.com> wrote:
>
>> R 3.1.0
>> data table 1.9.5
>>
>> can't replicate. did you try reinstalling data table?
>>
>> On Tue, Jan 27, 2015 at 9:15 AM, Farrel Buchinsky <fjbuch at gmail.com>
>> wrote:
>>
>>> Look what happens when I execute the example. Any idea why I am getting
>>> the error.
>>>
>>> > DT <- data.table(A = rep(1:3, each=4), B = rep(1:4, each=3), C =
>>> rep(1:2, 6), key = "A,B")
>>> > duplicated(DT)
>>>  [1] FALSE  TRUE  TRUE FALSE FALSE  TRUE FALSE  TRUE FALSE FALSE  TRUE
>>>  TRUE
>>> > unique(DT)
>>> Error in .Call("Cwhichwrapper", x, bool) :
>>>   "Cwhichwrapper" not resolved from current namespace (data.table)
>>>
>>> Here is my session info
>>>
>>> Running from within RStudio Version 0.99.179
>>>
>>> R version 3.1.2 (2014-10-31)
>>> Platform: x86_64-w64-mingw32/x64 (64-bit)
>>>
>>> locale:
>>> [1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United
>>> States.1252
>>> [3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
>>>
>>> [5] LC_TIME=English_United States.1252
>>>
>>> attached base packages:
>>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>>
>>> other attached packages:
>>>  [1] knitr_1.9         zoo_1.7-11        RGoogleDocs_0.7-0
>>> reshape2_1.4.1
>>>  [5] ggplot2_1.0.0     stringi_0.4-1     stringr_0.6.2     car_2.0-22
>>>
>>>  [9] plyr_1.8.1        data.table_1.9.5  lubridate_1.3.3   RODBC_1.3-10
>>>
>>>
>>> loaded via a namespace (and not attached):
>>>  [1] bitops_1.0-6     chron_2.3-45     colorspace_1.2-4 digest_0.6.8
>>>  [5] evaluate_0.5.5   formatR_1.0      grid_3.1.2       gtable_0.1.2
>>>  [9] lattice_0.20-29  MASS_7.3-35      memoise_0.2.1    munsell_0.4.2
>>> [13] nnet_7.3-8       proto_0.3-10     Rcpp_0.11.4      RCurl_1.95-4.5
>>> [17] scales_0.2.4     tools_3.1.2      XML_3.98-1.1
>>>
>>>
>>> Thanks a lot. Farrel
>>>
>>>
>>> Farrel J. Buchinsky MBChB, BSc(HONS)MED, FACS
>>> (412) 567-7870 [mobile, work, home]
>>> Director, Pediatric Otolaryngology: Allegheny General Hospital
>>> Director, Respiratory Papillomatosis Program: Allegheny-Singer Research
>>> Institute
>>> 320 E. North Ave.
>>> Pittsburgh, PA 15212
>>>
>>> _______________________________________________
>>> datatable-help mailing list
>>> datatable-help at lists.r-forge.r-project.org
>>>
>>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>>>
>>
>>
>
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