A critique of a variety of “memory-based” process monitoring methods
S Knoth, NA Saleh, MA Mahmoud… - Journal of Quality …, 2023 - Taylor & Francis
Many extensions and modifications have been made to standard process monitoring
methods such as the exponentially weighted moving average (EWMA) chart and the …
methods such as the exponentially weighted moving average (EWMA) chart and the …
Homogeneously Weighted Moving Average Control Charts: Overview, Controversies, and New Directions
JC Malela-Majika, SW Human, K Chatterjee - Mathematics, 2024 - mdpi.com
The homogeneously weighted moving average (HWMA) chart is a recent control chart that
has attracted the attention of many researchers in statistical process control (SPC). The …
has attracted the attention of many researchers in statistical process control (SPC). The …
Robust distribution‐free hybrid exponentially weighted moving average schemes based on simple random sampling and ranked set sampling techniques
JC Malela-Majika, SC Shongwe… - Mathematical …, 2021 - Wiley Online Library
This paper proposes new nonparametric hybrid exponentially weighted moving average
(HEWMA) control charts based on simple random sampling (SRS) and ranked set sampling …
(HEWMA) control charts based on simple random sampling (SRS) and ranked set sampling …
New extended distribution-free homogenously weighted monitoring schemes for monitoring abrupt shifts in the location parameter
TI Letshedi, JC Malela-Majika, SC Shongwe - Plos one, 2022 - journals.plos.org
A homogeneously weighted moving average (HWMA) monitoring scheme is a recently
proposed memory-type scheme that gained its popularity because of its simplicity and …
proposed memory-type scheme that gained its popularity because of its simplicity and …
[PDF][PDF] Enhanced univariate and multivariate control charts via outliers' screening technique, robust estimators and varying sample size schemes
IA Raji - 2022 - eprints.utm.my
The ability to monitor processes using control charts for contaminated environments is vital.
Typical control charts may not serve the purpose because of violations in the underlined …
Typical control charts may not serve the purpose because of violations in the underlined …
[PDF][PDF] Research Article Robust Distribution-Free Hybrid Exponentially Weighted Moving Average Schemes Based on Simple Random Sampling and Ranked Set …
Research Article Robust Distribution-Free Hybrid Exponentially Weighted Moving Average
Schemes Based on Simple Random Sampling a Page 1 Research Article Robust …
Schemes Based on Simple Random Sampling a Page 1 Research Article Robust …
[引用][C] A homogenously weighted moving average scheme for observations under the effect of serial dependence and measurement inaccuracy
M Thanwane, SC Shongwe, M Aslam… - 2021 - Growing Science