[R] R version 2-12.0 - running as 32 or as 64 bit?

Dimitri Liakhovitski dimitri.liakhovitski at gmail.com
Fri Oct 29 23:47:57 CEST 2010


Actually, Berwin  - you are right. I also did get 2 shortcuts. I just
thought that one of them was old - from my previous R installations.
And indeed the 4th line tells what version is running.
Great!
Thank you!
Dimitri



On Fri, Oct 29, 2010 at 5:02 PM, Berwin A Turlach
<berwin at maths.uwa.edu.au> wrote:
> G'day Dimitri,
>
> On Fri, 29 Oct 2010 16:45:00 -0400
> Dimitri Liakhovitski <dimitri.liakhovitski at gmail.com> wrote:
>
>> Question: I installed R verison 2-12.0 on my Windows 7 (64 bit) PC.
>> When I was installing it, it did not ask me anything about 32 vs. 64
>> bit. So, if I run R now - is it running as a 32-bit or a 64-bit?
>
> Well, when I did the same, I got two shortcuts installed on my desktop,
> one named R 2.12.0 and the other named R x64 2.12.0.  If I had any
> doubts which version of R these shortcuts would start, then the fourth
> line of the start-up message would put them to rest.  Missing that
> message, you can always issue the command
>
>> .Machine$sizeof.pointer
>
> if the answer is 4, you are running 32bit, if the answer is 8, then you
> are running 64 bit.
>
> HTH.
>
> Cheers,
>
>        Berwin
>
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-- 
Dimitri Liakhovitski
Ninah Consulting
www.ninah.com



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