Zobrazeno 1 - 10 of 194 pro vyhledávání: '"Zafar, Nazir"'
1
Akademický článek
A novel adaptive CUSUM system for efficient process mean monitoring: An application in piston ring manufacturing process
Autor: Zameer Abbas, Tahir Abbas, Hafiz Zafar Nazir, Muhammad Riaz
Publikováno v: Alexandria Engineering Journal, Vol 106, Iss , Pp 87-100 (2024)
The adaptive versions of charting tools are well-established statistical monitoring techniques for detecting unknown changes in the process over a range of shifts. A re-weighted adaptive CUSUM mean (RACUSUM) charting scheme has been proposed in this
Externí odkaz: https://doaj.org/article/6e3835223970497b8ee41e1089a299f8
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2
Akademický článek
Congenital perineal grove: an unusual Anorectal anomaly in females—report of two cases and literature review
Autor: Bakhtawar Dilawar, Amala Khan, Shahzadi Dilawar, Zafar Nazir
Publikováno v: Journal of the Pakistan Medical Association (2023)
Congenital perineal grove (CPG) is a rare anorectal anomaly; only 65 cases have been reported in literature. Two cases who were referred for evaluation of a lesion in the perineum are reported here. The patients were diagnosed clinically as CPG in ne
Externí odkaz: https://doaj.org/article/97156fa349ec43eba1e084e0587a247c
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3
Akademický článek
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6
Akademický článek
Separation of conjoined twins in a resource constraint setting – Lessons learned and implications for global surgery initiatives
Autor: Zafar Nazir, Muhammad Arif Mateen Khan, Ahmed Vaqas Faruque, Bakhtawar Dilawar
Publikováno v: Journal of Pediatric Surgery Case Reports, Vol 39, Iss , Pp 31-34 (2018)
Conjoined Twins are rare however, such cases are often highlighted in medical literature, social and electronic media. Separation of conjoined twins is no longer considered an exceptional event in the developed world but it remains a unique challenge
Externí odkaz: https://doaj.org/article/1ce91c1bd52348e298e2092da298a3ae
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8
On designing efficient memory-type charts using multiple auxiliary-information
Autor: Zameer Abbas, Hafiz Zafar Nazir, Saddam Akber Abbasi, Muhammad Riaz, Dongdong Xiang
Publikováno v: Journal of Statistical Computation and Simulation. 93:646-670
This article intends to investigate new progressive mean (MEP) charts using a single auxiliary characteristic (AMEP) and two auxiliary characteristics (TAMEP) to trace small shifts in the process mean effectively. The effectiveness of the proposed TA
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5ab2768dfe7865f85df272e9efcbacf
https://doi.org/10.1080/00949655.2022.2116747
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9
Akademický článek
An enhanced nonparametric EWMA sign control chart using sequential mechanism.
Autor: Muhammad Riaz, Muhammad Abid, Hafiz Zafar Nazir, Saddam Akber Abbasi
Publikováno v: PLoS ONE, Vol 14, Iss 11, p e0225330 (2019)
Control charts play a significant role to monitor the performance of a process. Nonparametric control charts are helpful when the probability model of the process output is not known. In such cases, the sampling mechanism becomes very important for p
Externí odkaz: https://doaj.org/article/d75ac4c2c493403b83ff7a47eefce85d
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10
Akademický článek
On the Development of Triple Homogeneously Weighted Moving Average Control Chart
Autor: Muhammad Riaz, Zameer Abbas, Hafiz Zafar Nazir, Muhammad Abid
Publikováno v: Symmetry, Vol 13, Iss 2, p 360 (2021)
To detect sustainable changes in the manufacturing processes, memory-type charting schemes are frequently functioning. The recently designed, homogenously weighted moving average (HWMA) technique is effective for identifying substantial changes in th
Externí odkaz: https://doaj.org/article/9ab771f0c19e42549ad04ef79fe1c7b9
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