[R] splines in R {"translation of the matlab PPVAL function"}
Martin Maechler
maechler at stat.math.ethz.ch
Fri Feb 10 11:25:38 CET 2006
Probably ?spline and the builtin spline() function is
already sufficient for you.
If you need more, use the (standard R) 'splines' package:
library(splines)
library(help = splines)
>>>>> "pecqueur" == pecqueur <pecqueur at esbs.u-strasbg.fr>
>>>>> on Thu, 9 Feb 2006 10:53:45 +0100 (CET) writes:
pecqueur> Hello,
pecqueur> I am trying to translate a matlab program into R, and I have some problems
pecqueur> to find out how to translate the PPVAL function.
pecqueur> I know that ppval(pp,xx) returns the value at the points xx of the
pecqueur> piecewise polynomial contained in pp( constructed by spline), but I don't
pecqueur> know how to do the same thing in R.
pecqueur> Thanks for you help
pecqueur> Delphine
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