x = 2.2 
 y = 1.4 
 value = 0.3 
 series = B  x = 2 
 y = 0.9 
 value = 0.3 
 series = A  x = 1.4 
 y = 2.3 
 value = 0.65 
 series = B  x = 1 
 y = 1 
 value = 0.65 
 series = A
The SGPlot Procedure