[Rd] Mac v Windows Mystery

[Roger Koenker]

Duncan,

Humm...  files must have been stripped from my original post....  I've put them in http://www.econ.uiuc.edu/~roger/test/
but rerunning the example on my mac a third time revealed that my original "bad seed" hypothesis was vindicated,
So I now have something to work from.  Sorry for adding to the noise.

Roger

url:    www.econ.uiuc.edu/~roger            Roger Koenker
email    rkoenker at uiuc.edu            Department of Economics
vox:     217-333-4558                University of Illinois
fax:       217-244-6678                Urbana, IL 61801

On Jan 30, 2013, at 11:47 AM, Duncan Murdoch wrote:

> On 13-01-30 11:37 AM, Roger Koenker wrote:
>> Dear All,
>> 
>> I'm trying to track down a problem with my quantreg package reported by a user doing censored quantile regression.
>> When he runs the test4.R file attached below (which reads the csv file also attached) on his windows machine he gets
>> an error like this:
>> 
>>> Error in dimnames(B) <- list(c("tau", dimnames(x)[[2]], "Qhat"), NULL) :
>>>   length of 'dimnames' [1] not equal to array extent
>>> In addition: Warning message:
>>> In rbind(grid[1:J], B, qhat) :
>>>   number of columns of result is not a multiple of vector length (arg 2)
>> 
>> However, when I run the same thing on my mac there is no error, no warning.  And --
>> more strangely-- running this on another windows laptop here in Urbana also encounters
>> no problems.  I thought that this might just be a seed problem since there is a bootstrapping
>> step at the end, but the original user has tried several seeds and always gets this error.
>> We are all running 2.15.1 and V4.94 of quantreg.  I understand that YMMV, especially on
>> windows,  but it is difficult to debug this sort of thing when I can't reproduce it.  Any suggestions
>> or other experience would be welcome.  The test problem takes a minute or so to run on my
>> mac.
> 
> There was no attachment.  It might also be important to give more 
> detailed info, e.g. what sessionInfo() prints on the bad system, and 
> whether this is from Rgui or Rterm, and what ls() shows (in case some 
> function is being masked).
> 
> Duncan Murdoch
> 
> 
>> Thanks,
>> Roger
>> 
>> 
>> url:    www.econ.uiuc.edu/~roger            Roger Koenker
>> email    rkoenker at uiuc.edu            Department of Economics
>> vox:     217-333-4558                University of Illinois
>> fax:       217-244-6678                Urbana, IL 61801
>> 
>> 
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>>>> 
>>>> 
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