[PDF][PDF] Explicit formulas and numerical integral equation of ARL for SARX (P, r) L model based on CUSUM chart

S Phanyaem - Mathematics and Statistics, 2022 - researchgate.net
Abstract The Cumulative Sum (CUSUM) chart is widely used and has many applications in
different fields such as finance, medical, engineering, and other fields. In real applications …

[PDF][PDF] The effectiveness of CUSUM control chart for trend stationary seasonal autocorrelated data

K Petcharat - Thailand Statistician, 2022 - researchgate.net
In this paper, the average run length (ARL) for the cumulative sum (CUSUM) control chart
based on SAR (P) L with trend process is developed using Fredholm integral equation …

[PDF][PDF] Exact run length computation on EWMA control chart for stationary moving average process with exogenous variables

W Suriyakat, K Petcharat - Mathematics and Statistics, 2022 - researchgate.net
The exponentially weighted moving average (EWMA) control chart is a popular tool used to
monitor and identify slight unnatural variations in the manufacturing, industrial, and service …

[PDF][PDF] Exact solution of the average run length for the cumulative sum chart for a moving average process of order q

K Petcharat, S Sukparungsee, Y Areepong - public health, 2015 - researchgate.net
In this paper we use a Fredholm integral equation approach to derive an explicit formula for
the average run length (ARL) of a cumulative sum (CUSUM) chart for random observations …

[PDF][PDF] A New Modified EWMA Control Chart for Monitoring Processes Involving Autocorrelated Data

K Silpakob, Y Areepong, S Sukparungsee… - … Automation and Soft …, 2023 - researchgate.net
Control charts are one of the tools in statistical process control widely used for monitoring,
measuring, controlling, improving the quality, and detecting problems in processes in …

[PDF][PDF] Numerical integral equation method for ARL of CUSUM chart for long-memory process with non-seasonal and seasonal ARFIMA models

W Peerajit, Y Areepong, S Sukparungsee - Thailand Statistician, 2018 - researchgate.net
This paper presents an approximate average run length (ARL) of CUSUM chart for long-
memory process by using numerical integral equation (NIE) method based on Gauss …

[PDF][PDF] The exact solution of the average run length on a modified EWMA control chart for the first-order moving-average process.

Y Supharakonsakun, Y Areepong, S Sukparungsee - ScienceAsia, 2020 - researchgate.net
Statistical process control methods are widely used in several fields for monitoring and
detecting process problems. One of them is the control chart which is powerful and effective …

[PDF][PDF] Numerical integral equation methods of average run length on extended EWMA control chart for autoregressive process

K Karoon, Y Areepong, S Sukparungsee - Proceedings of the World …, 2021 - iaeng.org
Numerical Integral Equation (NIE) methods for evaluating the Average Run Length (ARL) on
Extended Exponentially Weighted Moving Average (Extended EWMA) control chart for …

Precise average run length of an exponentially weighted moving average control chart for time series model

S Phanyaem - Thailand Statistician, 2024 - ph02.tci-thaijo.org
This study aims to develop a precise formula for calculating the average run length in the
context of an exponentially weighted moving average (EWMA) control chart, specifically in …

[PDF][PDF] Exact average run length evaluation for an ARMAX (p, q, r) process running on a modified EWMA control chart

K Silpakob, Y Areepong, S Sukparungsee… - … International Journal of …, 2023 - iaeng.org
In this study, we apply the Fredholm-type integral equation method to derive the explicit
formulas of the average run length (ARL) for an autoregressive moving average process …