This example uses the GPLOT procedure and the DATA step function PROBNORM to plot operating characteristic (OC) curves for charts with 3 limits. An OC curve is ...

Two consecutive horizontal points are joined by a rounded curve. A single point is rounded off to avoid a pointed turn. A table of values is used to find the points to plot for a graph.

The yield curve is a line that plots a set of forward-looking interest rates at a given point in time. A US Treasury yield curve would connect today's yields for three-month, six-month ...