On Mon, Nov 23, 2009 at 1:57 PM, B.A.D.C.M.D Santos <bac...@cam.ac.uk> wrote:
>
> This is probably just a stupid problem but for some reason I can't find a
> solution anywhere.
>
> I am trying to use phyper from R using rpy2. The problem is that when I try
> to run the following code: [code] self.phyper = robjects.r('phyper') ' ' '
> nPvalue=1-self.phyper(k,21,440,n,lower_tail=False)[0] [/code]
>
> I get an error:
> Error in function (q, m, n, k, lower.tail = TRUE, log.p = FALSE) :
> unused argument(s) (lower_tail = FALSE)
>
> Can someone tell what am I doing wrong?
I think the issue is that while rpy1 would automatically turn an
argument name like lower_tail=False into lower.tail=FALSE,
this doesn't happen in rpy2. Part of the issue is that the R
language does (nowadays) allow both dots and underscores
in variable names and argument names, so this mapping isn't
100% safe.
I expect an rpy2 expert will clarify how you are intended to
do this, otherwise consult the docs.
Peter
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