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Process capability analysis and estimation scheme for autocorrelated data
Authors:Jing Sun  Shengxian Wang  Zhihui Fu
Institution:Research Center for Contemporary Management,Key Research Institute of Humanities and Social Sciences at Universities,School of Economics and Management,Tsinghua University,Beijing 100084,P.R.China
Abstract:Autocorrelation is prevalent in continuous production processes,such as the processes in the chemical and pharmaceutical industries.With the development of measurement technology and data acquisition technology,sampling frequency is getting higher and the existence of autocorrelation cannot be ignored.This paper analyzes five estimation schemes of process capability for autocorrelated data.Comparisons among these schemes are discussed for small sample and large sample.In conclusion,this paper gives a proced...
Keywords:Autocorrelation  estimation  process capability analysis  statistical process control
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