lines.spm {SemiPar} | R Documentation |
Add a curves to an existing plot.
Description
Takes a fitted spm
object produced by spm()
and
adds a curve. The function is only appropriate in the case
of a single predictor.
Usage
## S3 method for class 'spm'
lines(x,...)
Arguments
x |
a fitted |
... |
other graphics parameters described in Appendix B of the SemiPar Users' Manual http://matt-wand.utsacademics.info/SPmanu.pdf |
Details
Takes a fitted spm
object produced by spm()
and
adds a curve. The function is only appropriate in the case
of a single predictor.
Value
The function adds a curve to a plot.
Author(s)
M.P. Wand mwand@uow.edu.au (other contributors listed in SemiPar Users' Manual).
References
Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
Semiparametric Regression Cambridge University Press.
http://stat.tamu.edu/~carroll/semiregbook/
Ganguli, B. and Wand, M.P. (2005)
SemiPar 1.0 Users' Manual.
http://matt-wand.utsacademics.info/SPmanu.pdf
See Also
spm
plot.spm
predict.spm
summary.spm
residuals.spm
fitted.spm
Examples
library(SemiPar)
data(fossil)
attach(fossil)
fit <- spm(strontium.ratio~f(age))
plot(fossil,type="n")
lines(fit)
points(fossil)
# Now do several customisations
op <- par(bg="white")
par(bg="honeydew")
plot(fossil,type="n")
lines(fit,col="green",lwd=5,shade.col="mediumpurple1")
points(fossil,col="orange",pch=16)
par(op)