Click here to see the SAS code.
Click here to see the example.
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There is really only one "tricky" thing about this plot ...
Rather than using 1 plot interpolation, I overlaid 3 different ones.
A dark blue solid line with no markers, then a light blue dot,
and finally a dark blue circle/outline. The combination of these
3 overlaid provides a nice, pleasant, eye-catching plot.
Here are the symbol statements used:
symbol1 interpol=none value=dot height=4pct color=cx42C0FB;
symbol2 interpol=none value=circle height=4pct color=navy;
symbol3 interpol=join value=none color=navy;
And here is how I overlaid them in the plot statement:
plot attendance*year=3 attendance*year=1 attendance*year=2 / overlay
One other small extra touch was that I suppressed the '2010' value
on the year-axis, using the following in the axis statement:
value=(t=8 '')
And similarly, I suppressed the '0' value on the y-axis:
value=(t=1 '')
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