Can you show multiple pre-set control limits on a single control chart using phase?
We want to show a control chart that has independent control limits for multiple conditions over time. For example, we recalibrated our analytical tool and we negotiated with the customer to shift the mean of the control limits. Then we switched to a different analytical tool while the original tool was down, and the backup had its own set of control limits. We learned that we can use "phase" to s...