[R] about contour - get contour coordinates - exclude area display

2004-01-31 Thread Patrick Giraudoux
Dear all, I wonder about what could actually be possible with the function contour: 1/ - the definition of contour lines is most often meaningless when the contours are drawn in areas where no real data points exist. It can however happen that irregular distributions lead to more or less

Re: [R] about contour - get contour coordinates - exclude area display

2004-01-31 Thread Prof Brian Ripley
On Sat, 31 Jan 2004, Patrick Giraudoux wrote: Dear all, I wonder about what could actually be possible with the function contour: 1/ - the definition of contour lines is most often meaningless when the contours are drawn in areas where no real data points exist. It can however happen