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Dear R-Users!
I am trying to fit a spline to a time-series with about 90 values.
I would like to specify about four to five knots and I would like the
values returned to be similar in fashion to the output of interpSpline -
I would only like the spline to be constructed not with every point of
data as a knot, but with significantly less knots.
- From the plenty of packages available concerning splines, I have not
understood how to extract the piecewise polynomial \textit{functions}
instead of the fitted values, as I would like to integrate these and
therefor need to be able to construct a class polynomial.
Thank you very much for your help, have a nice evening
Christopher J. Ruwe
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