Fantastic, works perfectly!
Would you have any pointers to where I can learn more about why/how this works?
Thanks!
Regarding the P.S., yes... it seemed appropriate at the time :-)
2008/6/21, Martin Maechler <[EMAIL PROTECTED]>:
>>>>>> "KM" == Karl Marx <[EMAIL PROTECTED]>
>>>>>> on Thu, 19 Jun 2008 23:01:31 +0200 writes:
>
> KM> I'm testing R version 2.7.0 on windows and there seems
> KM> to be a compatibility issue with objects that were
> KM> created by "approxfun" in older versions. As long as the
> KM> objects were created in version 2.7.0 things work ok,
> KM> but calling the interpolated functions from R version
> KM> 2.0.1 causes this error:
>
> KM> Error in .C("R_approx", as.double(x), as.double(y),
> KM> as.integer(n), xout = as.double(v), : C symbol name
> KM> "R_approx" not in DLL for package "base"
>
> KM> What's the problem and how can t be resolved (need to be
> KM> compatible with old data)?
>
> approxfun() wa moved from "base" to "stats".
>
> If f <- approxfun(...) in R 2.0.1
> and you save f , load it in R 2.7.0,
> you can do
>
> body(f)[[2]][["PACKAGE"]] <- "stats"
>
> and then use f(..) in R 2.7.0.
>
> Martin Maechler, ETH Zurich
>
> PS: Do I guess correctly, that you are Swiss?
>
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