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A control chart based on Pearson residuals for a negative binomial regression: application to infant mortality data

García-Bustos, Sandra; Cárdenas-Escobar, Nadia; Debón, A.; Pincay, César (Emerald Publishing Limited, 2022-11-01)

[EN] Purpose The study aims to design a control chart based on an exponentially weighted moving average (EWMA) chart of Pearson's residuals of a model of negative binomial regression in order to detect possible anomalies ...
A novel approach for estimating the ARL-BIAS severity of shewhart p-charts

Argoti-Morales, Marco Antonio; Carrión García, Andrés (University of Kragujevac, Center of Quality, 2018)

[EN] The Shewhart p-Chart is a widely used and taught control chart that monitors the process fraction of nonconforming, p. The control limits of this chart are computed from an equation derived from the central limit ...
An EWMA control chart for the multivariate coefficient of variation

Giner-Bosch, Vicent; Tran, Kim Phuc; Castagliola, Philippe; Khoo, Michael Boon Chong (John Wiley & Sons, 2019-10)

[EN] Monitoring the multivariate coefficient of variation over time is a natural choice when the focus is on stabilising the relative variability of a multivariate process, as is the case in a significant number of real ...

Mostrando ítems 1-3 de 3