Hello again, Thank you, vito for these functions: I've been able to look at the smoothing spline matrix and its derivatives that I constucted with functions "create.bspline.basis" and "smooth.basis"
Understanding from Hastie and Tishbirani that the S(lambda)-- the penalty matrix 25 февраля 2012, 15:11 от "vito.muggeo" <[email protected]>: > 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.
