This function is not intended for direct use. It is called
by plot.polymars.
# S3 method for polymars
persp(x, predictor1, predictor2, response, n = 33,
xlim, ylim, xx, contour.polymars, main, intercept, ...)this function is not intended to be called directly.
this function is not intended to be called directly.
this function is not intended to be called directly.
this function is not intended to be called directly.
This function produces a 3-d contour or perspective plot. It is intended
to be called by plot.polymars.
Charles Kooperberg, Smarajit Bose, and Charles J. Stone (1997). Polychotomous regression. Journal of the American Statistical Association, 92, 117--127.
Charles J. Stone, Mark Hansen, Charles Kooperberg, and Young K. Truong. The use of polynomial splines and their tensor products in extended linear modeling (with discussion) (1997). Annals of Statistics, 25, 1371--1470.