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    rkoen...@uiuc.edu            Department of Economics
vox:     217-333-4558                University of Illinois
fax:       217-244-6678                Urbana, IL 61801


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