Zobrazeno 1 - 10
of 160
pro vyhledávání: '"E. A. Hafez"'
Publikováno v:
International Journal of Medical Arts, Vol 3, Iss 3, Pp 1741-1747 (2021)
Background:Iris claw phakic intraocular lens [PIOL] is one of the surgical techniques used for the correction of high myopia. This procedure reduces myopia with stable refractive results and preserves the accommodation. Aim of the Work:The aim of thi
Externí odkaz:
https://doaj.org/article/17bf5f70904f4c08b931cc43f44b2939
Autor:
Heba S. Mohammed, Zubair Ahmad, Alanazi Talal Abdulrahman, Saima K. Khosa, E. H. Hafez, M. M. Abd El-Raouf, Marwa M. Mohie El-Din
Publikováno v:
AIMS Mathematics, Vol 6, Iss 8, Pp 9262-9276 (2021)
In data science, it is frequent that new and sophisticated computational methods and tools are used to build predictive models to perform time to event data analysis. Such predictive models based on previously collected data from patients can support
Externí odkaz:
https://doaj.org/article/03498b83370045aa8d223f3314be53ac
Publikováno v:
AIMS Mathematics, Vol 6, Iss 5, Pp 5222-5255 (2021)
This paper is concerned with statistical inference of multiple constant-stress testing for progressive type-II censored data with binomial removal. The failure times of the test units are assumed to be independent and follow the modified Kies exponen
Externí odkaz:
https://doaj.org/article/ca906902df674fce81650821b067454d
Publikováno v:
BMC Research Notes, Vol 13, Iss 1, Pp 1-7 (2020)
Abstract Objective The aim of this work was to investigate three different mutations; Fec-B, FecXG, Fec-GH at three candidate genes; Bone morphogenetic protein receptor IB, Bone morphogenetic protein 15 and Growth Differentiation Factor 9, respective
Externí odkaz:
https://doaj.org/article/68297ff48e05489aa600f79be71f3f74
Publikováno v:
Novel Research in Microbiology Journal, Vol 3, Iss 6, Pp 493-501 (2019)
Grapevine fanleaf virus (GFLV) is a member of the genus Nepovirus in the family Comoviridae, a widely distributed virus responsible for grapevine (Vitis vinifera) degeneration. This virus causes serious economic losses by reducing grape crop yield.
Externí odkaz:
https://doaj.org/article/7ee747fa991a4ac181620ea871b39fc0
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0254999 (2021)
Over the past few months, the spread of the current COVID-19 epidemic has caused tremendous damage worldwide, and unstable many countries economically. Detailed scientific analysis of this event is currently underway to come. However, it is very impo
Externí odkaz:
https://doaj.org/article/9d951b4dee36461280dd1c6c97624999
Autor:
Wanting Wang, Zubair Ahmad, Omid Kharazmi, Clement Boateng Ampadu, E H Hafez, Marwa M Mohie El-Din
Publikováno v:
PLoS ONE, Vol 16, Iss 3, p e0248312 (2021)
As is already known, statistical models are very important for modeling data in applied fields, particularly in engineering, medicine, and many other disciplines. In this paper, we propose a new family to introduce new distributions suitable for mode
Externí odkaz:
https://doaj.org/article/9185acd9751e4eefb0be80bb7cc3abcf
Publikováno v:
Complexity, Vol 2021 (2021)
Statistical distributions play a prominent role for modeling data in applied fields, particularly in actuarial, financial sciences, and risk management fields. Among the statistical distributions, the heavy-tailed distributions have proven the best c
Externí odkaz:
https://doaj.org/article/baaf0b3b77fd4f69bb5d24f437ec3f61
Autor:
Ehab M. Almetwally, Mohamed A. H. Sabry, Randa Alharbi, Dalia Alnagar, Sh. A. M. Mubarak, E. H. Hafez
Publikováno v:
Complexity, Vol 2021 (2021)
This paper introduces the new novel four-parameter Weibull distribution named as the Marshall–Olkin alpha power Weibull (MOAPW) distribution. Some statistical properties of the distribution are examined. Based on Type-I censored and Type-II censore
Externí odkaz:
https://doaj.org/article/eb005d6f37d9485fa85dd6d2f347ae83
Autor:
Hisham M. Almongy, Ehab M. Almetwally, Randa Alharbi, Dalia Alnagar, E. H. Hafez, Marwa M. Mohie El-Din
Publikováno v:
Complexity, Vol 2021 (2021)
This paper is concerned with the estimation of the Weibull generalized exponential distribution (WGED) parameters based on the adaptive Type-II progressive (ATIIP) censored sample. Maximum likelihood estimation (MLE), maximum product spacing (MPS), a
Externí odkaz:
https://doaj.org/article/90ba2c5f613542058c33b73bb6bc945c