dear s, If you are willing to use B-splines placing p knots, say, (rather than smoothing splines placing n knots), you could have a look to the functions splineDesign() or spline.des() (argument derivs) in the package "splines".
vito On Fri, 24 Feb 2012 12:28:58 -0800 (PST), Vassily Shvets wrote > Hello, > I've noticed that SPLUS seems to have a function for evaluating derivative > matrices of splines. I've found the R function that evaluates matrices from > 'smooth.spline'; maybe someone has written something to do the same with > smooth.basis? > regards, > s > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Open WebMail Project (http://openwebmail.org) ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
