An MEWMA control chart based on multivariate Poisson distribution data
An MEWMA control chart based on multivariate Poisson distribution data
Abstract Count data appears widely in finance, biomedical science, psychology, actuarial insurance, road safety and many other areas of life, and it is often multivariate. In this paper, we consider using the multivariate exponentially weighted moving average (MEWMA) control chart method to monitor count data under the assumption of multivariate …