Your question is very vague, so it's hard to know what to suggest.
Please note the exhortation that appears at the bottom of every
r-help message:
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
It is possible that splinefun() is what you are looking for.
cheers,
Rolf Turner
On 10/07/13 22:29, Xiaoyu Lu wrote:
Hi,
I want to find a functional form for my data. I have tried smoothing and
obtained a kinda perfect fit.
However, I can only draw it but cannot call it.
I am wondering that is there a way that I can store the fit as a function
and apply it when needed. e.g. tranformation etc.
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