Zhou, Qin; Zou, Changliang; Wang, Zhaojun; Jiang, Wei - In: Journal of the American Statistical Association 107 (2012) 499, pp. 1049-1062
Many applications involve monitoring incidence rates of the Poisson distribution when the sample size varies over time. Recently, a couple of cumulative sum and exponentially weighted moving average (EWMA) control charts have been proposed to tackle this problem by taking the varying sample size...