[R] contours/density lines in sm library

[markhall@gol.com]

Hi,
I'm using R 1001 for Windows NT and the sm library.  I'm trying to 
create plots for my data set like Bowman and Azzalini have in Figure 1.8
(p. 9) of their book for my data (i.e. a contour plot for each group in my 
data set and its all plotted on 1 plot).  

The problem I'm having is that R is not drawing closed contour lines for each
group.  Sometimes it does; other times it draws 1/2 to 3/4ths of the contour 
line but stops.  I could understand if it did this when there was overlap,
but when the groups are separated at the 75% level, it doesn't make sense to me
on why this happening.

Any insites on solving this problem would be appreciated.

If anybody wants to see the resulting plot, I'm happy to fax it to them.

Best, Mark Hall
markhall at gol.com



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