[R] help on hmisc

[Frank E Harrell Jr]

On 05/07/2010 10:12 AM, nvanzuydam at gmail.com wrote:
> Hi,
>
> I thought I would just jump in on this as I am running an i7 as well. I use
> hmisc for the doBy functions and it would make a huge difference
> particularly with large data sets to run this on 64bit windows. I'm not
> sure how to compile from source and usually use the install.packages
> option. At the moment I have two versions of R installed and switch between
> them depending on what I'm working with. Having an hmisc package for 64bit
> windows would really help.
>
> Thanks Natalie

Natalie you must be thinking of another package.  doBy is not in Hmisc. 
  summarize, mApply, etc., are in Hmisc.

You might look at the data.table package too.

Frank

>
> On May 7, 2010 1:52pm, Joris Meys<jorismeys at gmail.com>  wrote:
>> Zach,
>
>
>
>> The R-gurus will correct me when I'm wrong, but as far as my very limited
>
>> experience goes, the 64bit version only gives you an advantage when
>> throwing
>
>> around huge datasets or doing very memory-intensive tasks. For most of the
>
>> things I do with R, there is no difference at all. Now the difference
>
>> between an old x86 and a new quadcore i7, that's another story...
>
>
>
>> Cheers
>
>> Joris
>
>
>
>> On Fri, May 7, 2010 at 2:32 PM, zach Li zach-li at hotmail.com>  wrote:
>
>
>
>>> thanks Joris,
>
>>>
>
>>> the reason I am looking for the instructions is that I hope 64 bit hmisc
>
>>> will run better(faster) than 32 bit on 64 environment.
>
>>>
>
>>> Regards,
>
>>> Zach.
>
>>>
>
>>> ------------------------------
>
>>> Date: Fri, 7 May 2010 11:10:36 +0200
>
>>> Subject: Re: [R] help on hmisc
>
>>> From: jorismeys at gmail.com
>
>>> To: zach-li at hotmail.com
>
>>> CC: r-help at r-project.org
>
>>>
>
>>>
>
>>> Puzzling question. You install R, you click on "install packages", you
>
>>> select a mirror, you select hmisc, and done. There is a 64bit version
>> of R,
>
>>> but a 32bit runs smooth on a Windows 7 64bit as well. if you love the
>
>>> command line, look at ?install.packages.
>
>>>
>
>>> I can't see why you would like to compile an R package yourself. So in
>> case
>
>>> you have a specific problem, a bit more information would come handy.
>
>>>
>
>>> Cheers
>
>>> Joris
>
>>>
>
>>> On Fri, May 7, 2010 at 3:30 AM, zach Li zach-li at hotmail.com>  wrote:
>
>>>
>
>>>
>
>>> can anyone know where i can find information on compile hmisc on
>> windows,
>
>>> especially 64 windows?
>
>>>
>
>>>
>
>>>
>
>>> thanks,
>
>>>
>
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>> --
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>> Joris Meys
>
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>
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-- 
Frank E Harrell Jr   Professor and Chairman        School of Medicine
                      Department of Biostatistics   Vanderbilt University