R help - Aug 2011 - Application of results from smooth.spline outside R

Hi,

I want to use the result from smooth.spline outside R.

I take my data ,which is 180 point stored in x and y

s <- smooth(x,y)

I can know use to e.g. find the interpolated value at e.g. x=500

predict (s,500)

My problem is, that i don't know how to implement the predict function. I
have looked at literature, but i cannot connect the output of the
smooth.spline() to an actual spline model..

Has anyone tried it?

Br

Jesper

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I'm assuming that you meant to write

s <- smooth.spline(x, y)

You can look at the code for the predict method for smooth.spline by 
typing

getAnywhere(predict.smooth.spline)

If a new value is provided (i.e., the 500 in your example) then the 
predict method for smooth.spline.fit is applied to the spline object's fit 
(i.e., s$fit in your example).

You can look at the code for the predict method for smooth.spline.fit by 
typing

getAnywhere(predict.smooth.spline.fit)

Jean



Jesper wrote on 08/25/2011 03:03:09 AM:
> 
> Hi,
> 
> I want to use the result from smooth.spline outside R.
> 
> I take my data ,which is 180 point stored in x and y
> 
> s <- smooth(x,y)
> 
> I can know use to e.g. find the interpolated value at e.g. x=500
> 
> predict (s,500)
> 
> My problem is, that i don't know how to implement the predict function.
I
> have looked at literature, but i cannot connect the output of the
> smooth.spline() to an actual spline model..
> 
> Has anyone tried it?
> 
> Br
> 
> Jesper
> 
	[[alternative HTML version deleted]]

Hi Jean,

Thanks for the reply.. 

Using your suggestion, I end up in in the source code (Fortran 77 i
believe). At first look, it seems a bit more tedious to implement than I
expected.

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Hi, Jesper:


       Where "Outside R" do you want to use it?


       There are R interfaces to many other software packages, and many 
that cannot easily link to R can link to Fortran.  You could use 
library(sos) to search for R packages to connect to whatever.


       Hope this helps.
       Spencer


On 9/7/2011 1:09 PM, Jesper wrote:
> Hi Jean,
>
> Thanks for the reply..
>
> Using your suggestion, I end up in in the source code (Fortran 77 i
> believe). At first look, it seems a bit more tedious to implement than I
> expected.
>
> --
> View this message in context:
http://r.789695.n4.nabble.com/Application-of-results-from-smooth-spline-outside-R-tp3767610p3797118.html
> Sent from the R help mailing list archive at Nabble.com.
>
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