| Library: | graphic |
| See also: | grlinreg2 grsurface grcontour2 grsunflower contour3 |
| Quantlet: | grcontour3 | |
| Description: | generates a contour plot from a 4-dimensional dataset x. |
| Usage: | gs = grcontour3 (x, c, {, col}) | |
| Input: | ||
| x | n x 4 matrix | |
| c | m x 1 vector | |
| col | m x 1 color | |
| Output: | ||
| gs | composed graphical object | |
library("graphic")
x = grid(-#(3,3,3), #(0.5,0.5,0.5), #(13,13,13))
f = exp(-0.5.*sum(x^2,2))./(2.*pi)^1.5
c = #(0.25, 0.5, 0.75).*max(f)
gs = grcontour3(x~f, c)
d = createdisplay(1,1)
show(d, 1, 1, gs)
shows a contour plot