Browsing by Author "Anwar, Syed Masroor"
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An improved adaptive EWMA control chart for monitoring time between events with application in health sector
Aslam, Muhammad; Khan, Majid; Rasheed, Zahid; Anwar, Syed Masroor; Abbasi, Saddam Akber ( John Wiley and Sons Ltd , 2023 , Article)Nonconforming events rarely occur in high-quality processes, and the time between events ((Formula presented.)) is likely to be followed by a skewed distribution, such as an exponential distribution. This paper proposes ... -
An Efficient Robust Nonparametric Triple EWMA Wilcoxon Signed-Rank Control Chart for Process Location
Rasheed, Zahid; Zhang, Hongying; Arslan, Muhammad; Zaman, Babar; Anwar, Syed Masroor; Abid, Muhammad; Abbasi, Saddam Akber... more authors ... less authors ( Hindawi , 2021 , Article)The nonparametric (NP) control charts are famous for detecting a shift in the process parameters (location and/or dispersion) when the underlying process characteristic does not follow the distributional assumptions. ... -
Improved Nonparametric Control Chart Based on Ranked Set Sampling with Application of Chemical Data Modelling
Rasheed, Zahid; Khan, Majid; Abiodun, Nafiu Lukman; Anwar, Syed Masroor; Khalaf, G.; Abbasi, Saddam Akber... more authors ... less authors ( Hindawi Limited , 2022 , Article)e statistical performance of parametric control charts is questionable when the underlying process does not follow any speci ed probability distribution. Nonparametric control charts are the best substitute for this ... -
Novel Mixed EWMA Dual-Crosier CUSUM Mean Charts without and with Auxiliary Information
Arslan, Muhammad; Ashraf, Muhammad Azeem; Anwar, Syed Masroor; Rasheed, Zahid; Hu, Xuelong; Abbasi, Saddam Akbar... more authors ... less authors ( Hindawi Limited , 2022 , Article)The classical cumulative SUM (CUSUM) chart is commonly used to monitor a particular size of the mean shift. In many real processes, it is assumed that the shift level varies within a range, and the exact level of the shift ...