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A modified MEWMA control chart: PEWMA control chart
International Journal of Management Concepts and Philosophy, 2017The multivariate exponentially weighted moving average (MEWMA) control chart, in which the smoothing parameter is a principal diagonal matrix, is established based on the assumption that the samples follow the standard normal distribution to monitor the multivariate quality characteristics.
Jian Liu, Kai Yun Yang, Wei Wen
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Quality Management in Health Care, 2004
This article presents the idea of Tukey's Control Chart, a method of analyzing data based on the concepts developed by John Tukey for calculation of confidence intervals for medians. The procedure is simple to implement (no need to calculate averages or standard deviations); it does not assume any distribution of the data; it can be applied to small ...
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This article presents the idea of Tukey's Control Chart, a method of analyzing data based on the concepts developed by John Tukey for calculation of confidence intervals for medians. The procedure is simple to implement (no need to calculate averages or standard deviations); it does not assume any distribution of the data; it can be applied to small ...
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2008
This paper focuses on the control of the performance characteristics of workflows modeled with stochastic Petri nets (SPN's). This goal is achieved by focusing on a new model for Artificial Social Systems (ASS's) behaviors, and by introducing equivalent transfer functions for SPN's.
Calin Ciufudean +2 more
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This paper focuses on the control of the performance characteristics of workflows modeled with stochastic Petri nets (SPN's). This goal is achieved by focusing on a new model for Artificial Social Systems (ASS's) behaviors, and by introducing equivalent transfer functions for SPN's.
Calin Ciufudean +2 more
openaire +1 more source
Nonparametric Control Charts: An Overview and Some Results
Journal of Quality Technology, 2001S Chakraborti, P Van Der Laan
exaly