Monitoring Serially Correlated Data by New CUSUM Chart (Case Study: Numbers of Patients with Covid-۱۹)
Publish place: 18th International Conference on Industrial Engineering
Publish Year: 1400
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IIEC18_173
تاریخ نمایه سازی: 1 دی 1400
Abstract:
Statistical process control charts are important for quality control and management in manufacturing industries, disease monitoring and many other applications. SPC charts usually are designed for cases when process observations are independent at different observation times. However, serial data correlation almost always exists in sequential data. Thus, it is important to develop control charts specially for monitoring serially correlated data. On the other hand, one of the most important cases today is the Covid-۱۹ epidemic, and it has been proven that any infected person can infect other people whose symptoms appear a few days later. In this paper, we use the new CUSUM chart to monitor the number of patients with Covid-۱۹, which runs for three countries include Iran, Japan and Italy. The results displayed separately for each country and explained with appropriate tools. Meanwhile, a sensitivity analysis on important factors is performed and similar results are obtained.
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Authors
Ahmad Hakimi
PhD Candidate at Department of Industrial Engineering, University of Kurdistan;
Asal Moghaddam
Bachelor Student at Industrial Engineering Department, Sharif University of Technology International Campus;
Hiwa Farughi
Associate Professor at Department of Industrial Engineering, University of Kurdistan;
Jamal Arkat
Associate Professor at Department of Industrial Engineering, University of Kurdistan;