Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol. 61, No. 2 (Aug., 1999), pp. 351-365 (15 pages) We develop a statistical model for the design of multivariate control charts (MACCS ...

These are typically captured using a control chart -- a statistical tool used in manufacturing or business to show the extent of the variation in a process.

Control Chart: A statistical tool used to monitor process stability and signal when a process may be deviating from its expected performance.

Traditional statistical process control charts assume that observations are independent and normally distributed about some mean. We investigate the robustness of traditional charts to data ...