You can specify the eight compass points N, NE, E, SE, S, SW, W, and NW as keywords for the POSITION= option. The following statements create the display in Figure 17.125, which demonstrates all eight compass positions. The default is NW.
ods graphics off; title 'Mean Chart for Diameters'; proc shewhart data=Wafers; xchart Diameter*Batch / tests= 1 to 8; inset ntests 1 / height=3 cfill=blank header='NW' pos=nw; inset ntests 2 / height=3 cfill=blank header='N ' pos=n ; inset ntests 3 / height=3 cfill=blank header='NE' pos=ne; inset ntests 4 / height=3 cfill=blank header='E ' pos=e ; inset ntests 5 / height=3 cfill=blank header='SE' pos=se; inset ntests 6 / height=3 cfill=blank header='S ' pos=s ; inset ntests 7 / height=3 cfill=blank header='SW' pos=sw; inset ntests 8 / height=3 cfill=blank header='W ' pos=w ; run;
Figure 17.125: Insets Positioned Using Compass Points