[Rd] error checks

[Peter Dalgaard]

Terry Therneau wrote:
>  I'm currently packaging up some of the kinship matrix routines more
> formally, these are used in coxme when dealing with family correlation
> structures.  One of my test programs exercises error conditions, i.e.,
> it purposely feeds particular types of invalid pedigree data in to see
> if the right error message results.  So there are comment-action pairs
> 	# the next line should generate a "pedigree loop" error
> 	kindepth(.....
> 
> As I found out last night, such tests case a failure of R CMD check!
> Any suggestions on how to properly package these?

I believe the canonical way is to use a try() wrapper, then verify that 
the return value has class "try-error"

>  A second question is keywords.  None of the standard ones apply to this
> code -- I'd like "genetics".  How do we add a new one?  
> 
> Terry T.
> 
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-- 
    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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