[Rd] error on uneven recycling?

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Sep 25 09:22:49 CEST 2012

On 25/09/2012 08:12, Prof Brian Ripley wrote:
> On 25/09/2012 03:45, Thomas Lumley wrote:
>> Is there some reason why
>>> (1:2)+(1:3)
>> [1] 2 4 4
>> Warning message:
>> In (1:2) + (1:3) :
>>    longer object length is not a multiple of shorter object length
>> can't be made into an error?  I realise it was there in S-PLUS, but
>> since it produces a warning there can't be many examples on CRAN or
>> Bioconductor using it, and I can't think of any situation where it
>> would be used deliberately.
> It produces a warning, not an R CMD check warning.  There are lots of
> instances on CRAN, for example when running the examples for
> CollocInfer DiceOptim FitAR LaplacesDemon MethComp OUwie ROptEst
> RandVar RiDMC SweaveListingUtils TeachingSampling adlift
> arulesViz caret cyclones depth disp2D gstat hyperSpec igraph
> igraph0 iid influence irtoys isotone ldDesign libamtrack lqmm
> mixtools phylobase polynom replicationDemos reporttools robustX
> rsem sfsmisc spam spatstat survival tcltk2 tsDyn
> let alone tests and vignettes.

I caught some some similar ones in that search:

CollocInfer DiceOptim RandVar TeachingSampling hyperSpec igraph igraph0 
influence lqmm mixtool phylobase polynom robustX sfsmisc spam survival 
tcltk2 tsDyn

are exactly that warning.  I think for example the one in 'survival' is 
an error.

Brian D. Ripley,                  ripley at 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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

More information about the R-devel mailing list