[R] data.table error

[Tom Short]

Johannes, please try the latest version on R-forge (1.4). That error
has been fixed, and it's much faster. We hope to have that to CRAN
reasonably soon.

To install, use:

  install.packages("data.table",repos="http://R-Forge.R-project.org")

- Tom

Tom Short

On Thu, Apr 29, 2010 at 3:40 PM, johannes rara <johannesraja at gmail.com> wrote:
> I'm trying to learn data.table package but I get a following annoying
> error message:
>
>> install.packages("data.table")
> trying URL 'http://www.freestatistics.org/cran/bin/macosx/universal/contrib/2.10/data.table_1.2.tgz'
> Content type 'application/x-gzip' length 66823 bytes (65 Kb)
> opened URL
> ==================================================
> downloaded 65 Kb
>
>
> The downloaded packages are in
>        /var/folders/n-/n-wPTanPGa4PpVd0bTgCOU+++TI/-Tmp-//RtmppqPptG/downloaded_packages
>> library(data.table)
>> cr <- data.table(cars)
>> cr[speed == 20]
>     speed dist
> [1,]    20   32
> [2,]    20   48
> [3,]    20   52
> [4,]    20   56
> [5,]    20   64
> Warning messages:
> 1: In `[.data.table`(cr, speed == 20) :
>  This R session is < 2.4.0. Please upgrade to 2.4.0+.
> 2: In `[.data.table`(cr, speed == 20) :
>  This R session is < 2.4.0. Please upgrade to 2.4.0+.
>>
>
> I'm using R 2.10.1 (see sessioninfo below), so why this error message
> keeps popping up?
>
>> sessionInfo()
> R version 2.10.1 (2009-12-14)
> i386-apple-darwin8.11.1
>
> locale:
> [1] fi_FI.UTF-8/fi_FI.UTF-8/C/C/fi_FI.UTF-8/fi_FI.UTF-8
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
> [1] data.table_1.2 ref_0.97
>
> loaded via a namespace (and not attached):
> [1] tools_2.10.1
>>
>
> -J
>
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