Here is the session info Duncan asked about.

> sessionInfo()
R version 2.15.1 (2012-06-22)
Platform: x86_64-pc-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United
States.1252    LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C                           LC_TIME=English_United
States.1252

attached base packages:
[1] splines   stats     graphics  grDevices utils     datasets  methods
base

other attached packages:
[1] survival_2.36-14 quantreg_4.94    SparseM_0.96

loaded via a namespace (and not attached):
[1] tools_2.15.1
> ls()
[1] "fit"             "huc8list.cl.crq" "hucfits.cl.crq"  "my"
 "sites"           "summary.fit"     "sw3.3333.crq"
[8] "test.crq"
>


Brian S. Cade, PhD

U. S. Geological Survey
Fort Collins Science Center
2150 Centre Ave., Bldg. C
Fort Collins, CO  80526-8818

email:  brian_cade@usgs.gov
tel:  970 226-9326



On Wed, Jan 30, 2013 at 11:04 AM, Roger Koenker <rkoenker@illinois.edu>wrote:

> 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@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@uiuc.edu            Department of Economics
> >> vox:     217-333-4558                University of Illinois
> >> fax:       217-244-6678                Urbana, IL 61801
> >>
> >>
> >>>
> >>>
> >>>
> >>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> ______________________________________________
> >>>> R-devel@r-project.org mailing list
> >>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>
>

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