Being new to this process, I included information that I shouldn't have.  I need to have all posts related to the original removed if possible.   Thank you for your understanding. ... View more

Ahh ... nevermind. I see this question has been re-posted in another thread (with more data, etc).   ... View more

Whether it's a good idea or not, here's a minimal example showing one way to do it with proc gplot (using sample data from the sashelp library)...   data foo; set sashelp.stocks (where=(stock='IBM')); month=.; month=put(date,month.); run; symbol1 interpol=boxt5 bwidth=4 c=black h=2; symbol2 interpol=rl c=blue; proc gplot data=foo; plot close*month=1 close*month=2 / overlay regeqn; run;   ... View more