Robust thin plate spline regression

Usage

rtps(..., max.iter=20, acc=10 * .Machine$single.eps^0.5, finish=F, 
conv.method="lambda")

Arguments

... Arguments for tps function. Matrix of independent variables x and vector of dependent variables Y are required.
max.iter Maximum number of iterations to convergence.
acc Accuracy of convergence criteria.
finish Finish the iterations with two iterations of the bisquare.
conv.method Method of convergence, lambda or weights.

Value

tps object.

References

See Nonparametric Regression and Generalized Linear Models by Green and Silverman.

See Additive Models by Hastie and Tibshirani.

See Also

tps, summary.tps

Examples

#2-d example
rtps(ozone$x, ozone$y) -> fit # fitting a surface to ozone measurements,
using iterative reweighted least squares.
plot(fit) # plots fit and residuals


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