Amin, Raid W.; Li, Kuiyuan - In: International Journal of Quality & Reliability Management 17 (2000) 1, pp. 27-41
When there is a change in a process, the MaxMin exponentially weighted moving average (EWMA) control chart shows which parameters have increased or decreased. The MaxMin EWMA may also be viewed as smoothed tolerance limits. Tolerance limits are limits that include a specific proportion of the...