David.
On Jan 30, 2013, at 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.
>
> 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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David Winsemius, MD
Alameda, CA, USA