Rescaling Y-axis in Control Charts based on LSL or USL in JMP

Question

Hello everyone,

I've been working on control charts in JMP and I'm looking to rescale the Y-axis based on the Lower Specification Limit (LSL) or Upper Specification Limit (USL). Could someone guide me on how to achieve this in JMP? I want the Y-axis to dynamically adjust based on the LSL or USL to better visualize the data in relation to the specification limits.

Thank you in advance!

jthi · Answer

This might give some ideas

Names Default To Here(1);

dt = Open("$SAMPLE_DATA/Big Class.jmp");

colname = "height";

Column(dt, colname) << Set Property("Spec Limits", {LSL(30), USL(100), Show Limits(1)});

ccb = dt << Control Chart Builder(
	Variables(Y(Eval(colname))),
	Chart(Position(1), Limits(Spec Limits(1))),
	Show Control Panel(0)
);

specs = Column(dt, colname) << Get Property("Spec Limits");

Report(ccb)[AxisBox(2)] << Min(specs["LSL"]) << Max(specs["USL"]);

ConvergentWhale · Answer

For example in this control chart start the scale from 150 instead from 0. I would th y axis to change proportional with the LSL and USL

Capture.PNG

jthi · Answer

What type of scaling are you looking for? If I remember correctly control chart builder does scale based on specification limits if they have been set.