Zobrazeno 1 - 10
of 32
pro vyhledávání: '"H. M. Moustafa"'
Publikováno v:
Revista de gastroenterologia de Mexico (English). 85(2)
Insulin resistance and diabetes mellitus are frequently associated with chronic hepatitis C virus (HCV) infection, and it is thought that the presence of insulin resistance aggravates liver disease. We aimed to evaluate insulin resistance in nondiabe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::7aca092db9e315c393c79c39b963aab9
https://pubmed.ncbi.nlm.nih.gov/31784195
https://pubmed.ncbi.nlm.nih.gov/31784195
Publikováno v:
Communications in Statistics - Theory and Methods. 43:2973-2988
In this paper, the problem of constant partially accelerated life tests when the lifetime follows the generalized exponential distribution is considered. Based on progressive type-II censoring scheme, the maximum likelihood and Bayes methods of estim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85a296ba6713a9730c6f9e6436d3d1fc
https://doi.org/10.1080/03610926.2012.687068
https://doi.org/10.1080/03610926.2012.687068
Publikováno v:
Communications in Statistics - Simulation and Computation. 39:1923-1938
A procedure is presented for finding maximum likelihood estimates of the parameters of a mixture of two random walk distributions in two cases, using classified and unclassified observations. Based on small sample size, estimation of nonlinear discri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3445bd0fe493281797e1a799d1507b93
https://doi.org/10.1080/03610918.2010.524334
https://doi.org/10.1080/03610918.2010.524334
Autor:
Omran A. Omran, H. M. Moustafa
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 181:2519-2528
A number of spiro[cyclopentane (cyclohexane, and cycloheptane)-1,4′-perhydro-[1,3,2]diazaphosphole] derivatives (3a–c, 5a–c, 11a–c, and 12a–c) and spiro-[cyclopentane (cyclohexane, and cycloheptane)-1,4′-perhydro[1,3,2]oxaazaphos-phole] d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc0648eeae19aea2597efa7c6d4fb2dc
https://doi.org/10.1080/10426500600754794
https://doi.org/10.1080/10426500600754794
Autor:
H. M. Moustafa, S. G. Ramadan
Publikováno v:
Applied Mathematics and Computation. 163:423-442
Classification problems associated with univariate Gompertz populations are studied. The robustness of the linear discriminant function, the normal classificatory rule, LDF when the underlying populations are Gompertz, is investigated. The errors of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c64438e97ec32a23441981ccaa235376
https://doi.org/10.1016/j.amc.2004.02.006
https://doi.org/10.1016/j.amc.2004.02.006
Autor:
H. M. Moustafa
Publikováno v:
Journal of Statistical Computation and Simulation. 75:65-73
A nonlinear discriminant rule may be estimated by maximum likelihood estimation using unclassified observations. The performance of a nonlinear discriminant function based on a sample from a mixture of two Weibull distributions, with parameters λ,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1721d7cc3868f1c0fedcc22584e7ce23
https://doi.org/10.1080/00949650410001660793
https://doi.org/10.1080/00949650410001660793
Autor:
H. M. Moustafa
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 180:205-216
4-Methyl-3,4-dihydro-2H-1,4-benzoxazin-3-one 1 reacted with CS 2 and halo compounds to give thieno-1,4-benzoxazines 2a , b and 2-(1,3-dithiol-2-yliden)-1,4-benzoxazines 3a , b , respectively. Reaction of compound 1 with cyanoketene S,S diacetal affor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90959813fcbc4ea0a7cd519ea427e5a4
https://doi.org/10.1080/104265090508460
https://doi.org/10.1080/104265090508460
Autor:
H. M. Moustafa, S. G. Ramadan
Publikováno v:
Applied Mathematics and Computation. 155:205-219
Updating a non-linear discriminant function estimated from Gompertz populations is investigated. The updating procedure is considered when the additional observations are mixed or classified. Using simulation experiments the performance of the updati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d367761f8dd9878e010435811956cb3
https://doi.org/10.1016/s0096-3003(03)00771-9
https://doi.org/10.1016/s0096-3003(03)00771-9
Autor:
S. G. Ramadan, H. M. Moustafa
Publikováno v:
Journal of Statistical Computation and Simulation. 73:867-885
The property of identifiability is an important consideration on estimating the parameters in a mixture of distributions. Also classification of a random variable based on a mixture can be meaning fully discussed only if the class of all finite mixtu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cc2cd8536bfcb5655ac0b5814c6edf3
https://doi.org/10.1080/0094965031000097296
https://doi.org/10.1080/0094965031000097296
Autor:
H. M. Moustafa
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 178:1397-1412
2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide (Lawesson's Reagent, LR, 1 ) reacts with cycloalkylidenecyanothioacetamides ( 2 and 3 ) to give 5'-cyano-2'-(4-methoxyphenyl)spiro [cyclopentane(cyclohexane)-1,6'-perhydro-[1,3,2]thia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb3977f273e39024f0f88bc63e4dcd3f
https://doi.org/10.1080/10426500307871
https://doi.org/10.1080/10426500307871