[R] Smooth periodic splines

[Андрей Парамонов]

2009/1/16 Spencer Graves <spencer.graves at pdf.com>:
>     1.  RSiteSearch('{periodic spline}') produced 12 hits.  I looked at the
> first five and found that four of them seemed relevant to your question.
>     2.  The third hit in this list notes that the DierckxSpline package has
> periodic splines, while 'fda' recommends finite Fourier series for periodic
> functions;  this hit documents an "as.fd" function that approximates a
> 'dierckx' periodic object with a periodic 'fd' object.
>     Hope this helps.     Spencer

Many thanks, DierckxSpline is what I was looking for.

Andrey