It would probably be helpful if you could point us to the source version of your package so that we can take a look what happens.
Which version of R, and the other required packages are you talking about?

Uwe Ligges




On 15.04.2011 05:00, Dario Strbenac wrote:
I have a confusing error from R CMD check that I don't get when running the 
example manually by hand.

In the \examples section of an Rd file, I create a GRanges object, then I call 
a function with the GRanges object, whose first 2 lines are

     require(GenomicRanges)
     annoDF<- as.data.frame(anno) # anno is the GRanges object.

and that second line gives:

Error in as.data.frame.default(anno) :
   cannot coerce class 'structure("GRanges", package = "GenomicRanges")' into a 
data.frame
Calls: annoGR2DF ... annoGR2DF ->  .local ->  as.data.frame ->  
as.data.frame.default

I have GenomicRanges listed in my Imports: field, and IRanges in the Suggests: 
of the DESCRIPTION file (it's require()d elsewhere). I'm trying to avoid 
putting packages in Depends: , so my package loads fast. Any tips of what I'm 
not understanding properly ?

Thanks.

--------------------------------------
Dario Strbenac
Research Assistant
Cancer Epigenetics
Garvan Institute of Medical Research
Darlinghurst NSW 2010
Australia

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