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3 results for Ahmed M. Gad.

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On the Estimation of the α-μ Channel Signal Fading Distribution Parameters
by Abdel Nasser S.A.A. Hassan, Ahmed M. Gad and Wafaa M. Ibrahim
American Journal of Applied Mathematics and Statistics. 2020, 8(1), 28-38. DOI: 10.12691/ajams-8-1-4
Pub. Date: May 05, 2020Views: 6038Downloads: 6441
fading radio signals α-μ distribution Stacy distribution gamma distribution Erlang distribution chi-squared Nakagami distribution size-biased distributions ML estimators
Abstract Full Text PDF (742 KB) Full Text HTML Full Text ePUB (1127 KB)
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A Shared Parameter Model for Longitudinal Data with Missing Values
by Ahmed M. Gad and Nesma M. M. Darwish
American Journal of Applied Mathematics and Statistics. 2013, 1(2), 30-35. DOI: 10.12691/ajams-1-2-3
Pub. Date: May 03, 2013Views: 28700Downloads: 21884
longitudinal data missing data Monte Carlo nonrandom missing repeated measures shared parameters standard errors stochastic EM
Abstract Full Text PDF (340 KB) Full Text HTML Full Text ePUB (134 B)
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Maximum Likelihood Approach for Longitudinal Models with Nonignorable Missing Data Mechanism Using Fractional Imputation
by Abdallah S. A. Yaseen, Ahmed M. Gad and Abeer S. Ahmed
American Journal of Applied Mathematics and Statistics. 2016, 4(3), 59-66. DOI: 10.12691/ajams-4-3-1
Pub. Date: May 30, 2016Views: 20854Downloads: 19778
longitudinal data mastitis data missing data nonrandom dropout parametric fractional imputation repeated measures standard errors
Abstract Full Text PDF (277 KB) Full Text HTML Full Text ePUB (467 KB)
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