Click here to see the SAS code.
Click here to see the example.

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This example is interesting in several ways.

#1 - It reads the data directly from a webpage when the sas job
     is run to produce the plot.

#2 - It globs pieces of character strings together, and converts
     them into a proper sas date value.

#3 - It overlays 2 plots together.

#4 - It uses a special gplot interpolation to "smooth" the 
     sinusoidal data of the red line, and plot it as the 
     smoothed blue line.

#5 - A bit of trickery to get an 'invisible' axis on the left
     hand side, and a visible one on the right.


The original graph I was imitating is here.
The actual data is located here.

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