# [R] Interpolation Function f(y)

ermimi ermimi_ at hotmail.com
Thu Sep 4 19:11:28 CEST 2008

```Thank you very much, You have helped me to resolve the problem.
Thank you!!

A greetings, Luismi

Henrique Dallazuanna wrote:
>
> I think that you can use the splinefun function:
>
> f <- splinefun(x, y)
>
> f(15)
>
> On Thu, Sep 4, 2008 at 1:52 PM, ermimi <ermimi_ en hotmail.com> wrote:
>
>>
>> Hello friends!!!
>>
>> I have a list of values called y.
>> The list is y=c(221.0, 212.0, 206.0, 202.7, 198.4, 195.1, 192.2, 189.7,
>> 187.6, 185.8);
>> y is f(x) and x=c(10,20,30,40,50,60,70,80,90,100).
>>
>> I only have x and y. I don´t know f(x). I would like interpolate f(x) to
>> obtain other values as f(15), f(25), f(35) and if it was possible obtain
>> f(110), f(120).
>>
>> is there any function that allow me obtain this values??
>>
>> Thank you very much, Luismi
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://www.nabble.com/Interpolation-Function-f%28y%29-tp19314985p19314985.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
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>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Henrique Dallazuanna
> Curitiba-Paraná-Brasil
> 25° 25' 40" S 49° 16' 22" O
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