Dear list members, I am trying to fit a natural cubic spline to my dataset using the ns function in the splines package. Specifically, I do:
library(splines) lm(y ~ ns(x, df=3), data =data) How do I extract the values of the interior knots of the fitted spline ? Thanks, Rajat ------------------------------------------------------------------------- Rajat Tayal Ph.D Research Scholar Indira Gandhi Institute of Development Research, Gen A.K.Vaidya Marg, Goregaon (East) Mumbai ______________________________________________ R-help@r-project.org 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.
