Re: [R] Hunting for snow...

From: Uwe Ligges <ligges_at_statistik.uni-dortmund.de>
Date: Sun 09 Jul 2006 - 23:51:57 EST

Brian Lunergan wrote:

> Uwe Ligges wrote:
>> Brian Lunergan wrote:

>>> Prof Brian Ripley wrote:
>>>> On Sat, 8 Jul 2006, Brian Lunergan wrote:
>>>>
>>>>> Evening folks:
>>>>>
>>>>> I did an install.views of finance and econometrics and between the 
>>>>> two of
>>>>> them R reported 'FracSim', 'RDCOMClient', 'snow', 'VGAM', and 
>>>>> 'segmented'
>>>>> as missing dependencies. Now, I've managed to hunt down what appear 
>>>>> to be
>>>>> current zip file copies of all of the packages but 'snow'. Is there a
>>>>> windows edition of the package out there someplace that will get 
>>>>> along with
>>>>> R v2.3.1 and if so, how do I find it?
>>>>>
>>>>> Please and thanks...
>>>> PLEASE read the README:
>>>>
>>>> http://cran.r-project.org/bin/windows/contrib/2.3/@ReadMe
>>>>
>>>> and see the check summary at
>>>>
>>>> http://cran.r-project.org/bin/windows/contrib/checkSummaryWin.html
>>>>
>>>> snow runs distributed R tasks across hosts: it has three modes and
>>>> prefers PVM and MPI if packages rpvm or Rmpi are available (which 
>>>> they are not for Windows).  As a result only some of its 
>>>> functionality can be used on Windows, and anyone who is going to get 
>>>> involved at that level of programming will very easily install the 
>>>> package from the sources.
>>>>

>>> Let me see if I understand this correctly. Something in the finance
>>> task view would seem to consider snow a dependency; however, the
>>> package in question has dragged it along for the ride into Windows,
>>> crippling its usefulness.
>>>

>>> Problem and a question. Having checked the file on the UofT CRAN
>>> mirror that lists dependencies for the available files snow only
>>> appears attached to three of them, none of which are listed as part
>>> the finance view or anything I already have on my system. What is R
>>> seeing these as a dependency for then? Perhaps the view maintainers
>>> can suggest something? If it is not available for windows and is only
>>> partially functional there can it be safely ignored as a dependency?
>>>

>>> One other puzzle resulting from this. The check summary suggested
>>> problems with 'FracSim', 'RDCOMClient', 'VGAM', and 'segmented' as
>>> windows packages but yet the versions I found seemed to install
>>> without complaint onto my
>>
>> Where did you find them? At least not in their current versions on the 
>> official repository on CRAN master for R-2.3.x, I hope.
> 
> FracSim_0.2.zip
> http://cran.stat.ucla.edu/bin/windows/contrib/2.3/
> 
> RDCOMClient_0.91-0.zip
> http://www.omegahat.org/R/bin/windows/contrib/R-2.3.0/
> 
> segmented_0.1-4.zip
> http://cran.r-project.org/bin/windows/contrib/2.1/
> 
> VGAM_0.6-9.zip
> http://www.stat.auckland.ac.nz/~yee/bin/windows/contrib/2.3/

None of them is on CRAN master:

Uwe Ligges

> These are the versions I found and the locations. Other than perhaps 
> segmented all seem to be positioned as compatible with v2.3.x, but I own 
> that I could be incorrect in my assessment of the situation.
> 

>>> system. Three gave back the successful unpack msg. VGAM did not, but
>>> several of the demo scripts ran without complaint so I am assuming it
>>> is comfortable with v2.3.1 on a windows system. Later versions of the
>>> four than were tested in the check summary, perhaps?
>>
>> The check summary is recent. I can only imagine that you found earlier 
>> versions...
>

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