[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 ...
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 ...
Garcia-Bustos, Sandra; Mera-Intriago, Eva; Debón Aucejo, Ana María; Bustamante, Iris; Alvarez, Illych(Papeles de Poblacon, 2020-06)
[ES] En este trabajo se han diseñado gráficos de control con el objetivo de detectar anomalías en los datos de mortalidad infantil del área urbana en Ecuador. A fin de diseñar estos gráficos, se construyeron modelos de ...
Mosquera Restrepo, Jaime(Universitat Politècnica de València, 2019-12-16)
[ES] En el Control Estadístico de Procesos, los gráficos de control por variables suelen ser la herramienta empleada para vigilar el comportamiento de una característica cuantitativa de calidad. Para implementar estos ...
Nguyen, Quoc-Thông; Giner-Bosch, Vicent; Tran, Kim Duc; Heuchenne, Cédric; Tran, Kim Phuc(Springer-Verlag, 2021-07)
[EN]
Online monitoring of the multivariate coefficient of variation (MCV) can be of interest in many real situations in which the dispersion of a multivariate process is meant to remain constant with regard to its position. ...
García Bustos, Sandra Lorena; Aparisi García, Francisco José; Kahn Epprecht, Eugenio(Taylor & Francis, 2015-07-18)
In this paper, we propose a new process control chart for monitoring correlated Poisson variables, the EWMA LCP chart. This chart is the exponentially weighted moving average (EWMA) version of the recently proposed LCP ...