Ahmed M. Gad

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All published works

Action	Title	Year	Authors
+	Simultaneous variable selection and parameters estimation for longitudinal data subject to missingness and covariates measurement error	2024	Heba Basha Abd-Elnaser S. Abd-Rabou Ahmed M. Gad Wafaa Ibrahim
+ PDF Chat	A mixed effects changepoint quantile regression model for longitudinal data with application on COVID-19 data	2023	Wafaa Ibrahim Ahmed M. Gad Abd-Elnaser S. Abd-Rabou
+	A CUSUM test for change point in quantile regression for longitudinal data	2022	Aya S. Abdelwahab Ahmed M. Gad Abd-Elnaser S. Abd-Rabou
+	A flexible model to fit over-dispersed longitudinal count data	2022	Fatma El Zahraa S. Salama Ahmed M. Gad Ahmed Amin EL- Sheikh Amany M. Mohamed
+	Analysis of Longitudinal Data with Missing Values in the Response and Covariates Using the Stochastic EM Algorithm	2022	Ahmed M. Gad Nesma M. Darwish
+ PDF Chat	A Latent Class Model for Multivariate Binary Data Subject to Missingness	2021	Samah Zakaria Mai Sherif Hafez Ahmed M. Gad
+ PDF Chat	Reviewing of Different Methods for Handling Longitudinal Count data	2021	M Amany. Mousa Ali Ahmed E. El Sheikh Fatma El Zahraa S. Salama Ahmed M. Gad
+ PDF Chat	Linear Mixed Models for Longitudinal Data with Nonrandom Dropouts	2021	Ahmed M. Gad Noha A. Youssif
+ PDF Chat	A New Change-Point Rank Tests	2021	Abd-Elnaser S. Abd-Rabou Ahmed M. Gad
+ PDF Chat	Smart Build Targets Batching Service at Google	2021	Kaiyuan Wang Daniel Rall Greg Tener Vijay Gullapalli Xin Huang Ahmed M. Gad
+ PDF Chat	A Selection Model for Longitudinal Data with Non-Ignorable Non-Monotone Missing Values	2021	Ahmed M. Gad
+ PDF Chat	Bayesian Semi-Parametric Logistic Regression Model with Application to Credit Scoring Data	2021	Haitham M. Yousof Ahmed M. Gad
+ PDF Chat	Parametric Fractional Imputation for Longitudinal Data with Intermittent Missing Values	2021	Ahmed M. Gad Hanan E. G. Ahmed
+	Smart Build Targets Batching Service at Google	2021	Kaiyuan Wang Daniel Rall Greg Tener Vijay Gullapalli Xin Huang Ahmed M. Gad
+ PDF Chat	Bayesian Estimation of Latent Class Model for Survey Data Subject to Item Nonresponse	2019	Samah Zakaria Mai Sherif Hafez Ahmed M. Gad
+	A stochastic variant of the EM algorithm to fit mixed (discrete and continuous) longitudinal data with nonignorable missingness	2019	Abdallah S. A. Yaseen Ahmed M. Gad
+	The Burr XII-Burr XII Distribution: Mathematical Properties and Characterizations	2019	Ahmed M. Gad G. G. Hamedani Sedigheh Mirzaei Salehabadi Haitham M. Yousof
+	An adaptive linear regression approach for modeling heavy-tailed longitudinal data	2018	Ahmed M. Gad Wafaa Ibrahim
+	Fitting Multivariate Linear Mixed Model for Multiple Outcomes Longitudinal Data with Non-ignorable Dropout	2018	Ahmed M. Gad Niveen I. EL-Zayat
+	Maximum Likelihood Approach for Longitudinal Models with Nonignorable Missing Data Mechanism Using Fractional Imputation	2016	Abdallah S. A. Yaseen Ahmed M. Gad Abeer S. Ahmed
+	Regression Estimation in the Presence of Outliers: A Comparative Study	2016	Ahmed M. Gad Maha E. Qura
+	Generalized Linear Mixed Models for Longitudinal Data with Missing Values: A Monte Carlo EM Approach	2016	Mohamed Y. Sabry Rasha B. El Kholy Ahmed M. Gad
+	Bayesian Estimation and Inference for the Generalized Partial Linear Model	2015	Haitham M. Yousof Ahmed M. Gad
+	A Shared Parameter Model for Longitudinal Data with Missing Values	2013	Ahmed M. Gad Nesma M. Darwish
+	Non-Parametric Weighted Tests for Change in Distribution Function	2013	Abd-Elnaser S. Abd-Rabou Ahmed M. Gad
+	A New Imputation Strategy for Incomplete Longitudinal Data	2013	Ahmed M. Gad Iman Z. I. Abdelraheem
+ PDF Chat	Generalized Linear Mixed Models for Longitudinal Data	2012	Ahmed M. Gad Rasha B. El Kholy
+	Sensitivity analysis of longitudinal data with intermittent missing values	2006	Ahmed M. Gad Abeer S. Ahmed
+	Analysis of longitudinal data with intermittent missing values using the stochastic EM algorithm	2005	Ahmed M. Gad Abeer S. Ahmed

Common Coauthors

Coauthor	Papers Together
Abd-Elnaser S. Abd-Rabou	5
Wafaa Ibrahim	3
Haitham M. Yousof	3
Abeer S. Ahmed	3
Xin Huang	2
Rasha B. El Kholy	2
Samah Zakaria	2
Greg Tener	2
Mai Sherif Hafez	2
Nesma M. Darwish	2
Kaiyuan Wang	2
Daniel Rall	2
Vijay Gullapalli	2
Fatma El Zahraa S. Salama	2
Abdallah S. A. Yaseen	2
Noha A. Youssif	1
Heba Basha	1
Ali Ahmed	1
G. G. Hamedani	1
Aya S. Abdelwahab	1
Maha E. Qura	1
Niveen I. EL-Zayat	1
Amany M. Mohamed	1
Mousa	1
M Amany.	1
Sedigheh Mirzaei Salehabadi	1
Iman Z. I. Abdelraheem	1
Ahmed Amin EL- Sheikh	1
Hanan E. G. Ahmed	1
Mohamed Y. Sabry	1
E. El Sheikh	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+	Unbalanced Repeated-Measures Models with Structured Covariance Matrices	1986	Robert I. Jennrich Mark Schluchter	9
+	Statistical Analysis With Missing Data	1989	Maureen Lahiff Roderick J. A. Little Donald B. Rubin	8
+	Analysis of longitudinal data with intermittent missing values using the stochastic EM algorithm	2005	Ahmed M. Gad Abeer S. Ahmed	8
+	Maximum Likelihood from Incomplete Data Via the <i>EM</i> Algorithm	1977	A. P. Dempster N. M. Laird Donald B. Rubin	6
+	Informative dropout in longitudinal data analysis.	1994	Peter J. Diggle Michael G. Kenward	6
+	Missing responses in generalised linear mixed models when the missing data mechanism is nonignorable	2001	Joseph G. Ibrahim Ming Hui Chen Stuart R. Lipsitz	6
+	Informative Drop-Out in Longitudinal Data Analysis	1994	Peter J. Diggle Michael G. Kenward	5
+	Inference and missing data	1976	Donald B. Rubin	5
+	Analysis of Longitudinal Data	2001	Peter J. Diggle Patrick J. Heagerty Kung‐Yee Liang Scott L. Zeger	4
+	Finding the Observed Information Matrix When Using the <i>EM</i> Algorithm	1982	Thomas A. Louis	4
+	Statistical Analysis with Missing Data	1988	Subir Ghosh Roderick J. A. Little Donald B. Rubin	4
+	The EM Algorithm and Extensions	1998	Debashis Kushary Geoffrey J. McLachlan Thriyambakam Krishnan	4
+	The Common Structure of Statistical Models of Truncation, Sample Selection and Limited Dependent Variables and a Simple Estimator for Such Models	1976	James J. Heckman	4
+ PDF Chat	Inference from Iterative Simulation Using Multiple Sequences	1992	Andrew Gelman Donald B. Rubin	4
+ PDF Chat	Analysis of Longitudinal Data with Non-Ignorable Non-Monotone Missing Values	1998	Andrea B. Troxel David P. Harrington Stuart R. Lipsitz	4
+ PDF Chat	Convergence of a stochastic approximation version of the EM algorithm	1999	Bernard Delyon Marc Lavielle Éric Moulines	4
+	Modelling Binary Data	1991	D. Collett	4
+	A Monte Carlo Implementation of the EM Algorithm and the Poor Man's Data Augmentation Algorithms	1990	Greg C. G. Wei Martin A. Tanner	4
+ PDF Chat	Parametric fractional imputation for missing data analysis	2011	Jae Kwang Kim	3
+	Markov Chain Monte Carlo in Practice	1995	Walter R. Gilks Sylvia Richardson David J. Spiegelhalter	3
+	Parametric fractional imputation for nonignorable missing data	2011	Ji Young Kim Jae Kwang Kim	3
+	An Approximate Generalized Linear Model with Random Effects for Informative Missing Data	1995	Dean Follmann Margaret Wu	3
+ PDF Chat	Pattern-Mixture Models for Multivariate Incomplete Data	1993	Roderick J. A. Little	3
+	Random-Effects Models for Longitudinal Data	1982	Nan M. Laird James H. Ware	3
+	Introduction to Linear Regression Analysis.	1993	Renato Assunção Paul D. Sampson Douglas C. Montgomery Elizabeth A. Peck	3
+	Estimation and Comparison of Changes in the Presence of Information Right Censoring by Modeling the Censoring Process.	1987	Margaret Wu Raymond J. Carroll	3
+	Missing Data, Imputation, and the Bootstrap	1994	Bradley Efron	3
+	Maximum likelihood estimation via the ECM algorithm: A general framework	1993	Xiao‐Li Meng Donald B. Rubin	3
+	None	2001	Marlene Müller	2
+	Longitudinal data analysis using generalized linear models	1986	Kung‐Yee Liang Scott L. Zeger	2
+	The Calculation of Posterior Distributions by Data Augmentation	1987	Martin A. Tanner Wing Hung Wong	2
+	A Random Effects Transition Model For Longitudinal Binary Data With Informative Missingness	2003	Paul S. Albert Dean Follmann	2
+	Analysis of Multivariate Longitudinal Outcomes With Nonignorable Dropouts and Missing Covariates	2002	Jason Roy Xihong Lin	2
+ PDF Chat	Semiparametric inference for the recurrent events process by means of a single-index model	2014	Olivier Bouaziz Ségolen Geffray Olivier Lopez	2
+ PDF Chat	A Method for Minimizing a Sum of Squares of Non-Linear Functions Without Calculating Derivatives	1965	M. J. D. Powell	2
+	Marginal models for the analysis of longitudinal measurements with nonignorable non-monotone missing data	1998	Andrea B. Troxel	2
+	Improving generalised estimating equations using quadratic inference functions	2000	Annie Qu	2
+ PDF Chat	Mutual Information between Discrete and Continuous Data Sets	2014	Brian C. Ross	2
+ PDF Chat	Estimating mutual information	2004	Alexander Kraskov Harald Stögbauer Peter Grassberger	2
+ PDF Chat	Imputation‐based strategies for clinical trial longitudinal data with nonignorable missing values	2008	Xiaowei Yang Jinhui Li Steven Shoptaw	2
+	Empirical likelihood for single index model with missing covariates at random	2014	Xu Guo Cuizhen Niu Yiping Yang Wangli Xu	2
+	Estimation and variable selection in partial linear single index models with error-prone linear covariates	2013	Jun Zhang Xiaoguang Wang Yao Yu Yujie Gai	2
+	Estimation in nonlinear mixed-effects models using heavy-tailed distributions	2010	Cristian Meza Felipe Osorio Rolando de la Cruz	2
+	A Fast Improvement to the Em Algorithm on its Own Terms	1989	Isaac Meilijson	2
+	Quasi-Likelihood Estimation in Semiparametric Models	1994	Thomas A. Severini Joan G. Staniswalis	2
+ PDF Chat	Profile Likelihood and Conditionally Parametric Models	1992	Thomas A. Severini Wing Hung Wong	2
+ PDF Chat	Bent Line Quantile Regression with Application to an Allometric Study of Land Mammals' Speed and Mass	2010	Chenxi Li Ying Wei Rick Chappell Xuming He	2
+	Bayesian estimation and inference for generalised partial linear models using shape-restricted splines	2011	Mary C. Meyer Amber J. Hackstadt Jennifer A. Hoeting	2
+	None	2002	Hongtu Zhu Sik‐Yum Lee	2
+ PDF Chat	A stochastic approximation algorithm with Markov chain Monte-Carlo method for incomplete data estimation problems	1998	Ming Gu Fan Hui Kong	2