st: stripplot, separate(): How to control appearance of markers

[Elmar Saathoff <elmarsaathoff@gmx.net>]

Dear Listers,

I am using stripplot (written by Nicholas Cox) to generate dotplots, 
which is an excellent and more flexible alternative to the dotplot 
programme.
When I use the "separate()" option however, I am unable to control the 
appearance of additional groups identified by separate(). Consider the 
following example, here I am able to control the appearance of markers 
for domestic vehicles, but I have no idea how to modify that for foreign 
vehicles:

. sysuse auto, clear
. stripplot mpg, over( rep78) stack vertical sep(foreign) 
msymbol(smcircle_hollow) mcolor(black)

Any help would be greatly appreciated.

Thanks and regards,

Elmar Saathoff


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