Exponentially weighted moving average—Moving average charts for monitoring the process mean
This research aimed to propose a newly-mixed control chart called the Exponentially
Weighted Moving Average—Moving Average Chart (EWMA-MA) to detect the mean change …
Weighted Moving Average—Moving Average Chart (EWMA-MA) to detect the mean change …
Efficient homogeneously weighted moving average chart for monitoring process mean using an auxiliary variable
In this paper, we propose an efficient control chart for monitoring small shifts in a process
mean for scenarios where the process variable is observed with a correlated auxiliary …
mean for scenarios where the process variable is observed with a correlated auxiliary …
Optimal design of the adaptive EWMA chart for the mean based on median run length and expected median run length
A Tang, P Castagliola, J Sun, X Hu - Quality Technology & …, 2019 - Taylor & Francis
Abstract The Adaptive Exponentially Weighted Moving Average (AEWMA) chart, which
combines the Shewhart and classical EWMA schemes, is usually designed using the …
combines the Shewhart and classical EWMA schemes, is usually designed using the …
Ultra-fine transformation of data for normality
Normally distributed data is crucial for the application of large-scale statistical analysis. To
statisticians, the most important assumptions of statistical users are the adequacy of the data …
statisticians, the most important assumptions of statistical users are the adequacy of the data …
Optimal designs of the variable sample size chart based on median run length and expected median run length
The variable sample size (VSS) chart, devoted to the detection of moderate mean shifts, has
been widely investigated under the context of the average run‐length criterion. Because the …
been widely investigated under the context of the average run‐length criterion. Because the …
Robustness of the EWMA control chart for individual observations
SW Human, P Kritzinger… - Journal of Applied Statistics, 2011 - Taylor & Francis
The traditional exponentially weighted moving average (EWMA) chart is one of the most
popular control charts used in practice today. The in-control robustness is the key to the …
popular control charts used in practice today. The in-control robustness is the key to the …
EWMA dispersion control charts for normal and non‐normal processes
Process monitoring through control charts is a quite popular practice in statistical process
control. This study is planned for monitoring the process dispersion parameter using …
control. This study is planned for monitoring the process dispersion parameter using …
MDEWMA chart: an efficient and robust alternative to monitor process dispersion
SA Abbasi, A Miller - Journal of Statistical Computation and …, 2013 - Taylor & Francis
Control chart is the most important statistical process control tool used to monitor changes in
process location and dispersion. In this study, an EWMA control chart is proposed for …
process location and dispersion. In this study, an EWMA control chart is proposed for …
Nonparametric progressive mean control chart for monitoring process target
Nonparametric control charts are widely used when the parametric distribution of the quality
characteristic of interest is questionable. In this study, we proposed a nonparametric …
characteristic of interest is questionable. In this study, we proposed a nonparametric …
Symmetry of gamma distribution data about the mean after processing with EWMA function
Abstract Statistical Process Control (SPC) plays a vital role in maintaining quality and
reducing variability in manufacturing processes. Among SPC techniques, the Exponentially …
reducing variability in manufacturing processes. Among SPC techniques, the Exponentially …