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Monitoring mortality caused by COVID-19 using gamma-distributed variables based on generalized multiple dependent state sampling

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dc.creator Aslam, Muhammad
dc.creator Rao, G. Srinivasa
dc.creator Saleem, Muhammad
dc.creator Ahmad, Rehan
dc.creator Sherwani, Khan
dc.creator Jun, Chi-Hyuck
dc.date 2021-08-31T08:26:55Z
dc.date 2021-08-31T08:26:55Z
dc.date 2021
dc.date.accessioned 2022-10-20T13:09:29Z
dc.date.available 2022-10-20T13:09:29Z
dc.identifier Aslam, M., Rao, G. S., Saleem, M., Sherwani, R. A. K., & Jun, C. H. (2021). Monitoring mortality caused by COVID-19 using gamma-distributed variables based on generalized multiple dependent state sampling. Computational and Mathematical Methods in Medicine, 2021.
dc.identifier DOI: https://doi.org/10.1155/2021/6634887
dc.identifier http://hdl.handle.net/20.500.12661/3306
dc.identifier.uri http://hdl.handle.net/20.500.12661/3306
dc.description Full text article. Also available at https://doi.org/10.1155/2021/6634887
dc.description More recently in statistical quality control studies, researchers are paying more attention to quality characteristics having nonnormal distributions. In the present article, a generalized multiple dependent state (GMDS) sampling control chart is proposed based on the transformation of gamma quality characteristics into a normal distribution. The parameters for the proposed control charts are obtained using in-control average run length (ARL) at specified shape parametric values for different specified average run lengths. The out-of-control ARL of the proposed gamma control chart using GMDS sampling is explored using simulation for various shift size changes in scale parameters to study the performance of the control chart. The proposed gamma control chart performs better than the existing multiple dependent state sampling (MDS) based on gamma distribution and traditional Shewhart control charts in terms of average run lengths. A case study with real-life data from ICU intake to death caused by COVID-19 has been incorporated for the realistic handling of the proposed control chart design.
dc.language en
dc.publisher Hindawi
dc.subject COVID-19
dc.subject Gamma-distributed variables
dc.subject Generalized Multiple Dependent State
dc.subject GMDS
dc.subject Multiple Dependent State
dc.subject MDS
dc.title Monitoring mortality caused by COVID-19 using gamma-distributed variables based on generalized multiple dependent state sampling
dc.type Article


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