| lines,Splinets-method {Splinets} | R Documentation |
Adding graphs of splines to a plot
Description
A standard method of adding splines to an existing plot.
Usage
## S4 method for signature 'Splinets'
lines(x, sID = NULL, ...)
Arguments
x |
|
sID |
vector, specifying indices of splines in the splinet object to be plotted; |
... |
other standard graphical parameters; |
References
Liu, X., Nassar, H., Podg\mbox{\'o}rski, K. "Dyadic diagonalization of positive definite band matrices and efficient B-spline orthogonalization." Journal of Computational and Applied Mathematics (2022) <https://doi.org/10.1016/j.cam.2022.114444>.
Podg\mbox{\'o}rski, K. (2021)
"Splinets – splines through the Taylor expansion, their support sets and orthogonal bases." <arXiv:2102.00733>.
Nassar, H., Podg\mbox{\'o}rski, K. (2023) "Splinets 1.5.0 – Periodic Splinets." <arXiv:2302.07552>
See Also
plot,Splinets-method for graphical visualization of splines;
evspline for evaluation of a Splinet-object;
Examples
#-----------------------------------------------------#
#------Adding spline lines to an existing graph-------#
#-----------------------------------------------------#
n=17; k=4; xi=sort(runif(n+2)); xi[1]=0; xi[n+2]=1
set.seed(5)
S=matrix(rnorm((n+2)*(k+1)),ncol=(k+1))
spl=construct(xi,k,S)
plot(spl,main="Mean Spline",lty=2,lwd=2)
RS=rspline(spl,5)
plot(RS,main="Random splines around the mean spline" )
lines(spl,col='red',lwd=4,lty=2)