Draw reference lines for ordinal/nominal axis
Dear Community, I'm struggling a bit with drawing reference lines on an ordinal axis. There are great examples on how to draw reference lines on continuous axes, but it seems to be different for ordinal axes. So in the example below I cannot tell JMP to draw a reference line at age of 13, instead I need to find the position at the axis in the GraphBuilder (that is two: 13 is the second age value w...