Treatment Plan Quality Control Using Multivariate Control Charts.
Sign Up to like & getrecommendations! Published in 2021 at "Medical physics"
DOI: 10.1002/mp.14795
Abstract: PURPOSE Statistical process control tools such as control charts were recommended by the American Association of Physicists in Medicine (AAPM) Task Group 218 for radiotherapy quality assurance. However, the tools needed to analyze multivariate, correlated… read more here.
Keywords: risk; control charts; control; plan quality ... See more keywords
Control charts for the coefficient of variation
Sign Up to like & getrecommendations! Published in 2018 at "Statistical Papers"
DOI: 10.1007/s00362-016-0797-0
Abstract: The coefficient of variation (CV) has received an extensive attention in quality control. The existing control charts for monitoring the two-sided changes in the CV do not consider the average run length (ARL) unbiased criterion.… read more here.
Keywords: coefficient variation; control charts; control; arl unbiased ... See more keywords
Phase-I monitoring of standard deviations in multistage linear profiles
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Industrial Engineering International"
DOI: 10.1007/s40092-017-0213-y
Abstract: In most modern manufacturing systems, products are often the output of some multistage processes. In these processes, the stages are dependent on each other, where the output quality of each stage depends also on the… read more here.
Keywords: multistage processes; phase; cascade property; control charts ... See more keywords
Monitoring shrimp growth with control charts in aquaculture
Sign Up to like & getrecommendations! Published in 2021 at "Aquacultural Engineering"
DOI: 10.1016/j.aquaeng.2021.102180
Abstract: Abstract This work proposes a method for the statistical monitoring of the weekly weight of shrimp in a fish farm. The design of control charts for shrimp growth presents several challenges, the main ones being… read more here.
Keywords: control; shrimp growth; growth control; monitoring shrimp ... See more keywords
CUSUM control charts for the Coefficient of Variation with Measurement Errors
Sign Up to like & getrecommendations! Published in 2019 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2019.11.477
Abstract: Abstract Due to several applications in applied statistics, there is an increasing attention to the coefficient of variation (CV) in quality control. In this paper, we propose investigating the effect of measurement errors on the… read more here.
Keywords: coefficient variation; measurement errors; control charts; control ... See more keywords
Analysis of water consumption in toilets employing Shewhart, EWMA, and Shewhart-EWMA combined control charts
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.06.114
Abstract: Abstract The objective of this article is to statistically analyze and apply process control on water consumption in toilet flush devices in a public university building using Shewhart, EWMA and combined Shewhart-EWMA control charts. Data… read more here.
Keywords: water consumption; control charts; shewhart ewma; control ... See more keywords
Revised triple sampling control charts for the mean with known and estimated process parameters
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DOI: 10.1080/00207543.2021.1943035
Abstract: The primary aim of this research is to propose a revised triple sampling (TS) X¯ chart, where the derivations of new formulae for computing the average run length of the triple sampling (TS) X¯ cha... read more here.
Keywords: charts mean; control charts; revised triple; mean known ... See more keywords
Copula-based control charts for monitoring multivariate Poisson processes with application to hepatitis C counts
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quality Technology"
DOI: 10.1080/00224065.2019.1571337
Abstract: Abstract In this article, we study attribute control charts for monitoring correlated multivariate Poisson processes that are adequately described by copula models. The work is motivated by the need to study multivariate models for correlated… read more here.
Keywords: poisson processes; control charts; multivariate poisson; poisson ... See more keywords
Predictive Control Charts (PCC): A Bayesian approach in online monitoring of short runs
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DOI: 10.1080/00224065.2021.1916413
Abstract: Performing online monitoring for short horizon data is a challenging, though cost effective benefit. Self-starting methods attempt to address this issue adopting a hybrid scheme that executes calib... read more here.
Keywords: monitoring short; control charts; online monitoring; pcc bayesian ... See more keywords
MEWMA charts when parameters are estimated with applications in gene expression and bimetal thermostat monitoring
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Statistical Computation and Simulation"
DOI: 10.1080/00949655.2020.1806279
Abstract: Multivariate exponentially weighted moving average (MEWMA) control charts for individual monitoring require a priori knowledge of the in-control parameters. In practice, this assumption is not always tenable, and estimated parameters are generally obtained from an… read more here.
Keywords: control charts; control; mewma; bimetal thermostat ... See more keywords
Economic and economic-statistical designs of the T2 control charts with SVSSI sampling scheme
Sign Up to like & getrecommendations! Published in 2017 at "Communications in Statistics - Theory and Methods"
DOI: 10.1080/03610926.2016.1231823
Abstract: ABSTRACT Recent studies have shown that the adaptive T2 chart with two different sampling interval and three sample sizes (SVSSI) shows a good performance in detecting small to large shifts in the process mean. This… read more here.
Keywords: economic economic; control charts; statistical designs; economic statistical ... See more keywords