[Rd] reshape error in 1.4 (PR#1231)

[ripley@stats.ox.ac.uk]

On 27 Dec 2001, Peter Dalgaard BSA wrote:

> Kevin.Wright@pioneer.com writes:
>
> > Full_Name: Kevin Wright
> > Version: 1.4
> > OS: Windows 95
> > Submission from: (NULL) (170.54.59.160)
> >
> >
> > Note: This was the 1.4 build for Windows that Brian Ripley made available.
> >
> > The first example in the help for reshape doesn't work for me.  When I cut and
> > paste, this is what happens:
> >
> > >      data(Indometh,package="nls")
> > >      summary(Indometh)
> >  Subject      time            conc
> >  1:11    Min.   :0.250   Min.   :0.0500
> >  4:11    1st Qu.:0.750   1st Qu.:0.1100
> >  2:11    Median :2.000   Median :0.3400
> >  5:11    Mean   :2.886   Mean   :0.5918
> >  6:11    3rd Qu.:5.000   3rd Qu.:0.8325
> >  3:11    Max.   :8.000   Max.   :2.7200
> > >      wide<-reshape(Indometh,v.names="conc",idvar="Subject",
> > +                     timevar="time",direction="wide")
> > Error in tapply(a, data[, idvar], function(b) length(unique(b)) == 1) :
> >         arguments must have same length
>
> This doesn't appear to be reproducible on non-Windows machines, and
> I'd suspect that Brian checks quite carefully for this kind of thing
> on Windows as well. You wouldn't happen to have something floating
> around in your workspace that could get in the way? Otherwise try
> turning on debug(reshape) and when it is defined also
> debug(reshapeWide). Then tell us what is in a and data[, idvar] when
> the problem appears.

Yes, example(reshape) works on that build on the machine on which it was
built.  Running all the examples is part of make check, so if they fail
for you it is very likely to be a local problem.

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595


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