Edit Profile Ahmed, Syed Ejaz Compute Distance To: Compute Author ID: ahmed.syed-ejaz Published as: Ahmed, E.; Ahmed, Ejaz; Ahmed, S. E.; Ahmed, S. Ejaz; Ahmed, S. Ejaz.; Ahmed, Syed E.; Ahmed, Syed Ejaz; Ejaz Ahmed, S. Homepage: https://brocku.ca/mathematics-science/mathematics/directory/syed-ejaz-ahmed/ External Links: MGP · Wikidata · ResearchGate Documents Indexed: 186 Publications since 1985, including 8 Books all top 5 Co-Authors 23 single-authored 11 Volodin, Andrei I. 10 Hossain, Shakhawat 8 Lisawadi, Supranee 7 Saleh, A. K. Md. Ehsanes 6 Doksum, Kjell A. 6 Hussein, Abdulkadir A. 6 Yüzbasi, Bahadir 5 Al-Kandari, Noriah M. A. 5 Buhamra, Sana S. 4 Khan, Sohail Munawar 3 Ahsanullah, Mohammad 3 Al-Momani, Marwan A. 3 Chitsaz, Shabnam 3 Gao, Xiaoli 3 Li, Deli 3 Mahdi, T. N. 3 Muttlak, Hassen A. 3 Nkurunziza, Sévérien 3 Rosalsky, Andrew 3 Shah, Muhammad Kashif Ali 3 Volodin, Igor N. 2 An, Lihua 2 Arashi, Mohammad 2 Aydin, Dursun 2 Balakrishnan, Narayanaswamy 2 Enayetur Raheem, S. M. 2 Fallahpour, Saber 2 Feng, Yang 2 Gupta, Arjun Kumar 2 Joarder, Anwar H. 2 Joarder, Anwarul H. 2 Khan, B. U. 2 Kulperger, Reg J. 2 Liu, Shuangzhe 2 Ma, Shuangge 2 Malik, Henrick John 2 Nicol, Christopher J. 2 Norouzirad, Mina 2 Reangsephet, Orawan 2 Ullah, Bashir 2 ZafarYab, Muhammad 2 Zahra, Nighat 1 Ahmad, Muhammad Rauf 1 Almutawa, Jaafar 1 Aslam, Mohammad 1 Badahdah, S. O. 1 Baklizi, Ayman S. 1 Basu, Amiya K. 1 Bhatti, Saleem 1 Bhoj, Dinesh S. 1 Budsaba, Kamon 1 Burney, S. A. 1 Burney, S. M. Aqil 1 Carvalho, Francisco P. 1 Chen, Baojiang 1 Claeskens, Gerda 1 Es-Sebaiy, Khalifa 1 Gel, Yulia R. 1 Giuliano Antonini, Rita 1 Goria, Mohammed N. 1 Gungor, Mehmet Ali 1 Hanif, Muhammad Fainan 1 Henery, Robert J. 1 Hong, Hyokyoung Grace 1 Howlader, Hatem A. 1 Hu, Jianhua 1 Hu, Tianchen 1 Huang, Yuan 1 Hunter, Jeffrey J. 1 Kareev, Iskander 1 Kattan, Abdul Kadir A. 1 Khurshid, Anwer 1 Kim, Hwanwoo 1 Krzanowski, Wojtek Janusz 1 Li, Yanming 1 Li, Yi 1 Liu, Fuxiang 1 Lyubchich, Vyacheslav 1 Ma, Tiefeng 1 Maqsood, Arfa 1 Markiewilcz, Augustyn 1 Mexia, João Tiago Praça Nunes 1 Nguyen, Ngoc Khanh 1 Nkurunzizal, Sévérien 1 Omar, M. Hafidz 1 Ouassou, Idir 1 Puntanen, Simo 1 Rahbar, Mohammad Hossein 1 Reid, Nancy M. 1 Rohatgi, Vijay K. 1 Sadeghkhani, Abdolnasser 1 Safdar, Suboohi 1 Saheh, M. 1 Sen, Pranab Kumar 1 Shimodaira, Hidetoshi 1 Siddique, J. S. 1 Siddiqui, Asim Jamal 1 Sinha, Bimal Kumar 1 Snowdon, Anne 1 Styan, George P. H. ...and 15 more Co-Authors all top 5 Serials 20 Journal of Statistical Computation and Simulation 11 Communications in Statistics. Theory and Methods 9 Computational Statistics and Data Analysis 8 Pakistan Journal of Statistics 6 Metrika 6 Applied Stochastic Models in Business and Industry 5 Statistics & Probability Letters 5 Linear Algebra and its Applications 4 Biometrical Journal 4 Journal of Statistical Planning and Inference 4 Journal of Nonparametric Statistics 4 Thailand Statistician 3 Communications in Statistics. Simulation and Computation 3 Lobachevskii Journal of Mathematics 2 Karachi University Journal of Science 2 Industrial Mathematics 2 Sankhyā. Series B. Methodological 2 Soochow Journal of Mathematics 2 Journal of the Japan Statistical Society 2 Stochastic Analysis and Applications 2 Statistics 2 Statistical Papers 2 Journal of Applied Statistical Science 2 Australian & New Zealand Journal of Statistics 2 Contributions to Statistics 1 Theory of Probability and its Applications 1 Annals of the Institute of Statistical Mathematics 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Multivariate Analysis 1 Statistica 1 Statistica Neerlandica 1 Revista Colombiana de Estadística 1 American Journal of Mathematical and Management Sciences 1 Computational Statistics 1 Bulletin of the Institute of Mathematics. Academia Sinica 1 Far East Journal of Theoretical Statistics 1 Journal of Applied Statistics 1 Calcutta Statistical Association Bulletin 1 International Mathematical Journal 1 Advances and Applications in Statistics 1 REVSTAT 1 Statistical Methodology 1 Contemporary Mathematics 1 Lecture Notes in Statistics 1 Journal of Statistical Theory and Practice 1 Journal of the Iranian Statistical Society JIRSS 1 SpringerBriefs in Statistics all top 5 Fields 138 Statistics (62-XX) 19 Numerical analysis (65-XX) 11 General and overarching topics; collections (00-XX) 6 Probability theory and stochastic processes (60-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 2 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Ordinary differential equations (34-XX) 1 Operations research, mathematical programming (90-XX) 1 Biology and other natural sciences (92-XX) 1 Information and communication theory, circuits (94-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH 92 Publications have been cited 700 times in 488 Documents Cited by ▼ Year ▼ Equilibrium points, stability and numerical solutions of fractional-order predator-prey and rabies models. Zbl 1105.65122Ahmed, E.; El-Sayed, A. M. A.; El-Saka, H. A. A. 163 2007 On some Routh-Hurwitz conditions for fractional order differential equations and their applications in Lorenz, Rössler, Chua and Chen systems. Zbl 1142.30303Ahmed, E.; El-Sayed, A. M. A.; El-Saka, Hala A. A. 80 2006 Shrinkage, pretest and absolute penalty estimators in partially linear models. Zbl 1158.62029Ejaz Ahmed, S.; Doksum, Kjell A.; Hossain, S.; You, Jinhong 30 2007 On stability, persistence, and Hopf bifurcation in fractional order dynamical systems. Zbl 1175.37084El-Saka, H. A.; Ahmed, E.; Shehata, M. I.; El-Sayed, A. M. A. 25 2009 Recurrence relations and identities for moments of order statistics, II: Specific continuous distributions. Zbl 0696.62028Balakrishnan, N.; Malik, Henrick J.; Ahmed, S. E. 22 1988 Recurrence relations and identities for moments of order statistics, I: Arbitrary continuous distribution. Zbl 0696.62221Malik, Henrick J.; Balakrishnan, N.; Ahmed, S. E. 16 1988 Risk comparison of some shrinkage M-estimators in linear models. Zbl 1106.62071Ahmed, S. E.; Hussein, A. A.; Sen, P. K. 14 2006 On the rate of complete convergence for weighted sums of arrays of Banach space valued random elements with application to moving average processes. Zbl 1017.60013Ahmed, S. Ejaz; Giuliano Antonini, Rita; Volodin, Andrei 14 2002 High order approximation for the coverage probability by a confident set centered at the positive-part James-Stein estimator. Zbl 1169.62007Ahmed, S. Ejaz; Volodin, Andrei I.; Volodin, Igor N. 11 2009 Positive shrinkage, improved pretest and absolute penalty estimators in partially linear models. Zbl 1160.62066Hossain, S.; Doksum, Kjell A.; Ahmed, S. Ejaz 11 2009 Numerical solution for the fractional replicator equation. Zbl 1080.65536Ahmed, E.; El-Sayed, A. M. A.; El-Mesiry, A. E. M.; El-Saka, H. A. A. 11 2005 Estimation strategies for the intercept vector in a simple linear multivariate normal regression model. Zbl 0825.62570Ahmed, S. E.; Saleh, A. K. Md. E. 11 1990 Shrinkage drift parameter estimation for multi-factor Ornstein-Uhlenbeck processes. Zbl 1224.91173Nkurunziza, Sévérien; Ahmed, S. Ejaz 10 2010 Biased estimation in a simple multivariate regression model. Zbl 1429.62183Ahmed, S. E.; Krzanowski, W. J. 10 2004 Absolute penalty and shrinkage estimation in partially linear models. Zbl 1243.62058Raheem, S. M. Enayetur; Ahmed, S. Ejaz; Doksum, Kjell A. 9 2012 On modified Black-Scholes equation. Zbl 1071.91018Ahmed, E.; Abdusalam, H. A. 9 2004 Improved nonparametric estimation of location vectors in multivariate regression models. Zbl 0954.62046Ahmed, S. E.; Saleh, A. K. Md. E. 9 1999 Penalty, shrinkage and pretest strategies. Variable selection and estimation. Zbl 1306.62002Ahmed, S. Ejaz 8 2014 LASSO and shrinkage estimation in Weibull censored regression models. Zbl 1242.62075Ahmed, S. Ejaz; Hossain, Shakhawat; Doksum, Kjell A. 8 2012 Improving the performance of kurtosis estimator. Zbl 05564662An, Lihua; Ahmed, S. Ejaz 8 2008 Asymptotic expansion of the coverage probability of James-Stein estimators. Zbl 1127.62014Ahmed, S. E.; Saleh, A. K. Md. E.; Volodin, A. I.; Volodin, I. N. 8 2007 Improved estimation of coefficient vector in a regression model. Zbl 1081.62533Khan, B. U.; Ahmed, S. E. 8 2003 Almost sure lim sup behavior of bootstrapped means with applications to pairwise i. i. d. sequences and stationary ergodic sequences. Zbl 0977.62051Ahmed, S. E.; Li, Deli; Rosalsky, Andrew; Volodin, Andrei I. 8 2001 Pooling multivariate data. Zbl 0726.62070Ahmed, S. E.; Saleh, A. K. Md. E. 8 1989 Robust inference strategy in the presence of measurement error. Zbl 1185.62099Ahmed, S. Ejaz; Hussein, Abdulkadir; Nkurunziza, Sévérien 7 2010 Simultaneous estimation of coefficients of variation. Zbl 1011.62026Ahmed, S. E. 7 2002 \(L_{1}\) penalty and shrinkage estimation in partially linear models with random coefficient autoregressive errors. Zbl 06292438Fallahpour, Saber; Ahmed, S. Ejaz; Doksum, Kjell A. 6 2012 Estimation of parameters in the growth curve model via an outer product least squares approach for covariance. Zbl 1238.62066Hu, Jianhua; Liu, Fuxiang; Ahmed, S. Ejaz 6 2012 Parametric estimation for the Birnbaum-Saunders lifetime distribution based on a new parametrization. Zbl 1361.62012Ahmed, Syed E.; Budsaba, Kamon; Lisawadi, Supranee; Volodin, Andrei 6 2008 Assessing the process capability index for non-normal processes. Zbl 1058.62113Ahmed, S. E. 6 2005 Inference concerning quantile for left truncated and right censored data. Zbl 1429.62439BuHamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E. 6 2004 Complete convergence of bootstrapped means and moments of the supremum of normed bootstrapped sums. Zbl 1069.62528Li, Deli; Rosalsky, Andrew; Ahmed, S. E. 6 1999 A pooling methodology for coefficient of variation. Zbl 0856.62033Ahmed, S. E. 6 1995 Post selection shrinkage estimation for high-dimensional data analysis. Zbl 1411.62200Gao, Xiaoli; Ahmed, S. E.; Feng, Yang 5 2017 Shrinkage, pretest, and penalty estimators in generalized linear models. Zbl 07035611Hossain, Shakhawat; Ahmed, S. Ejaz; Doksum, Kjell A. 5 2015 Dynamic properties of the fractional-order logistic equation of complex variables. Zbl 1246.37074El-Sayed, A. M. A.; Ahmed, E.; El-Saka, H. A. A. 5 2012 Estimation of regression coefficients in an exponential regression model with censored observations. Zbl 0934.62103Ahmed, S. E.; Saleh, A. K. Md. E. 5 1999 Improved biased estimation in an ANOVA model. Zbl 0930.62069Ahmed, S. E.; Ullah, Bashir 5 1999 Estimation of the scale matrix of a class of elliptical distributions. Zbl 0990.62046Joarder, A. H.; Ahmed, S. E. 5 1998 A bootstrap theorem for a preliminary test estimator. Zbl 0774.62029Kulperger, R. J.; Ahmed, S. E. 5 1992 Shrinkage and pretest estimators for longitudinal data analysis under partially linear models. Zbl 1407.62136Hossain, S.; Ahmed, S. Ejaz; Yi, Grace Y.; Chen, B. 4 2016 Simultaneous estimation of several intraclass correlation coefficients. Zbl 1027.62037Ahmed, S. E.; Gupta, A. K.; Khan, S. M.; Nicol, C. J. 4 2001 Least squares, preliminary test and Stein-type estimation in general vector \(AR(p)\) models. Zbl 0957.62072Ahmed, S. E.; Basu, A. K. 4 2000 Estimation of the characteristic roots of the scale matrix. Zbl 0864.62038Joarder, Anwarul H.; Ahmed, S. E. 4 1996 Improved estimation in a multivariate regression model. Zbl 0937.62596Ahmed, S. Ejaz 4 1994 Big and complex data analysis. Methodologies and applications. Zbl 1392.62007Ahmed, S. Ejaz (ed.) 3 2017 Improved penalty strategies in linear regression models. Zbl 1369.62160Yüzbasi, Bahadir; Ahmed, S. Ejaz; Güngör, Mehmet 3 2017 Shrinkage and penalty estimators of a Poisson regression model. Zbl 1334.62127Hossain, Shakhawat; Ahmed, Ejaz 3 2012 Nonparametric inference strategies for the quantile functions under left truncation and right censoring. Zbl 1146.62024Buhamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E. 3 2007 Comparisons of improved risk estimators of the multivariate mean vector. Zbl 1431.62283Khan, B. U.; Ahmed, S. E. 3 2006 On the asymptotic probability for the deviations of dependent bootstrap means from the sample mean. Zbl 1078.60017Ahmed, S. Ejaz; Li, Deli; Rosalsky, Andrew; Volodin, Andrei 3 2005 On multiobjective optimization in portfolio management. Zbl 1096.91020Ahmed, E.; El-Alem, M. 3 2005 On inhomogeneous prey-predator model. Zbl 1056.92513Ahmed, E.; Yassen, M. T. 3 2000 Shrinkage estimation of the proportion in randomized response. Zbl 0845.62008Ahmed, S. E.; Rohatgi, V. K. 3 1996 Shrinkage estimation in linear mixed models for longitudinal data. Zbl 1408.62133Hossain, Shakhawat; Thomson, Trevor; Ahmed, Ejaz 2 2018 Shrinkage estimation and variable selection in multiple regression models with random coefficient autoregressive errors. Zbl 1396.62169Fallahpour, Saber; Ejaz Ahmed, S. 2 2014 Shrinkage estimation for the regression parameter matrix in multivariate regression model. Zbl 1431.62298Chitsaz, Shabnam; Ahmed, S. Ejaz 2 2012 An application of shrinkage estimation to the nonlinear regression model. Zbl 1255.62203Ahmed, S. Ejaz; Nicol, Christopher J. 2 2012 An improved estimation in regression parameter matrix in multivariate regression model. Zbl 1271.62116Chitsaz, S.; Ahmed, S. Ejaz 2 2012 Positive-shrinkage and pretest estimation in multiple regression: a Monte Carlo study with applications. Zbl 1244.62103Enayetur Raheem, S. M.; Ejaz Ahmed, S. 2 2011 On the estimation of reliabilty function in a Weibull lifetime distribution. Zbl 1274.62666Baklizi, Ayman; Ahmed, S. E. 2 2008 Estimating and testing effect size from an arbitrary population. Zbl 1108.62020Al-Kandari, Noriah M.; Buhamra, Sana S.; Ahmed, S. E. 2 2005 Immune-motivated optimization. Zbl 1065.90544Ahmed, E.; El-Alem, M. 2 2002 On the rate of convergence of bootstrapped means in a Banach space. Zbl 0984.60016Ejaz Ahmed, S.; Hu, T.-C.; Volodin, Andrei I. 2 2001 Modeling the failure of a fractal tree and Julia sets. Zbl 0955.37023Abdusalam, H. A.; Ahmed, E. 2 2000 Pooling reliability functions. Zbl 0832.62086Ahmed, S. E. 2 1994 On extensions of supersymmetry algebras in \(d=4\) and 11. Zbl 0573.53051Ahmed, E.; Rands, B. L.; Taylor, J. G. 2 1985 Shrinkage estimation and selection for a logistic regression model. Zbl 1327.62421Hossain, Shakhawat; Ahmed, S. Ejaz 1 2014 Shrinkage estimation for the mean of the inverse Gaussian population. Zbl 1304.62046Ma, Tiefeng; Liu, Shuangzhe; Ahmed, S. Ejaz 1 2014 Penalized and shrinkage estimation in the Cox proportional hazards model. Zbl 06301872Hossain, Shakhawat; Ahmed, S. Ejaz 1 2014 Stein-type estimation using ranked set sampling. Zbl 1431.62032Ahmed, S. E.; Muttlak, H. A.; Al-Mutawa, J.; Saheh, M. 1 2012 Stabilizing the performance of kurtosis estimator of multivariate data. Zbl 1271.62114Ahmed, S. Ejaz.; Omar, M. Hafidz; Joarder, Anwar H. 1 2012 Data-based adaptive estimation in an investment model. Zbl 1277.62247Ahmed, S. Ejaz; Chitsaz, S. 1 2011 Shrinkage estimation in replicated median ranked set sampling. Zbl 1205.62034Muttlak, H. A.; Ahmed, S. E.; Al-Momani, M. 1 2010 On fractional order quantum mechanics. Zbl 1394.81133Shahin, A. M.; Ahmed, E.; Omar, Yassmin A. 1 2009 Asymptotic theory of simultaneous estimation of Poisson means. Zbl 1160.62019Ejaz Ahmed, S.; Liu, Shuangzhe 1 2009 Empirical Bayes and likelihood inference. Workshop, Centre de Recherches Mathématiques, Montreal, Canada, November 1997. Zbl 0952.00035Ahmed, S. Ejaz (ed.); Reid, Nancy (ed.) 1 2001 On the dynamics of some numerical methods. Zbl 0981.65142Ahmed, E.; Hegazi, A. S. 1 2000 Shrinkage and pretest nonparametric estimation of regression parameters from censored data with multiple observations at each level of covariate. Zbl 0959.62037Ahmed, S. E.; Rahbar, M. H. 1 2000 Fuzzy concepts in radiotherapy. Zbl 0956.92025Hussein, M. L.; Ahmed, E. 1 2000 Stein-type shrinkage quantile estimation. Zbl 0964.62040Ahmed, S. E. 1 2000 To pool or not to pool: The multivariate data. Zbl 0972.62032Ahmed, S. E.; Ullah, Bashir 1 1999 Simultaneous estimation of survivor functions in exponential lifetime models. Zbl 0936.62109Ahmed, S. E. 1 1999 Large-sample estimation strategies for eigenvalues of a Wishart matrix. Zbl 1093.62543Ahmed, S. E. 1 1998 A Monte Carlo study of robustness of pretest and shrinkage estimators in pooling coefficients of variation. Zbl 0913.62016Ahmed, S. E.; Bhoj, D. S.; Ahsanullah, M. 1 1998 Improved pretest nonparametric estimation in a multivariate regression model. Zbl 0949.62027Ahmed, S. E. 1 1998 Improved prediction: Pooling two identical regression lines. Zbl 0901.62083Mahdi, T. N.; Ahmed, S. E.; Ahsanullah, M. 1 1998 Asymptotic shrinkage estimation: The regression case. Zbl 0935.62026Ahmed, S. E. 1 1997 On the application of fuzzy decision theory in chemotherapy. Zbl 0888.92020Ahmed, E.; Hussein, M. L. 1 1997 On anyonic variables and fractional supersymmetry. Zbl 1022.81808Ahmed, E. 1 1996 Improved shrinkage estimation of relative potency. Zbl 0837.62098Ahmed, S. E. 1 1995 Estimation strategy using a preliminary test in some normal models. Zbl 0683.62004Ahmed, S. E.; Saleh, A. K. Md. Ehsanes 1 1988 Shrinkage estimation in linear mixed models for longitudinal data. Zbl 1408.62133Hossain, Shakhawat; Thomson, Trevor; Ahmed, Ejaz 2 2018 Post selection shrinkage estimation for high-dimensional data analysis. Zbl 1411.62200Gao, Xiaoli; Ahmed, S. E.; Feng, Yang 5 2017 Big and complex data analysis. Methodologies and applications. Zbl 1392.62007Ahmed, S. Ejaz (ed.) 3 2017 Improved penalty strategies in linear regression models. Zbl 1369.62160Yüzbasi, Bahadir; Ahmed, S. Ejaz; Güngör, Mehmet 3 2017 Shrinkage and pretest estimators for longitudinal data analysis under partially linear models. Zbl 1407.62136Hossain, S.; Ahmed, S. Ejaz; Yi, Grace Y.; Chen, B. 4 2016 Shrinkage, pretest, and penalty estimators in generalized linear models. Zbl 07035611Hossain, Shakhawat; Ahmed, S. Ejaz; Doksum, Kjell A. 5 2015 Penalty, shrinkage and pretest strategies. Variable selection and estimation. Zbl 1306.62002Ahmed, S. Ejaz 8 2014 Shrinkage estimation and variable selection in multiple regression models with random coefficient autoregressive errors. Zbl 1396.62169Fallahpour, Saber; Ejaz Ahmed, S. 2 2014 Shrinkage estimation and selection for a logistic regression model. Zbl 1327.62421Hossain, Shakhawat; Ahmed, S. Ejaz 1 2014 Shrinkage estimation for the mean of the inverse Gaussian population. Zbl 1304.62046Ma, Tiefeng; Liu, Shuangzhe; Ahmed, S. Ejaz 1 2014 Penalized and shrinkage estimation in the Cox proportional hazards model. Zbl 06301872Hossain, Shakhawat; Ahmed, S. Ejaz 1 2014 Absolute penalty and shrinkage estimation in partially linear models. Zbl 1243.62058Raheem, S. M. Enayetur; Ahmed, S. Ejaz; Doksum, Kjell A. 9 2012 LASSO and shrinkage estimation in Weibull censored regression models. Zbl 1242.62075Ahmed, S. Ejaz; Hossain, Shakhawat; Doksum, Kjell A. 8 2012 \(L_{1}\) penalty and shrinkage estimation in partially linear models with random coefficient autoregressive errors. Zbl 06292438Fallahpour, Saber; Ahmed, S. Ejaz; Doksum, Kjell A. 6 2012 Estimation of parameters in the growth curve model via an outer product least squares approach for covariance. Zbl 1238.62066Hu, Jianhua; Liu, Fuxiang; Ahmed, S. Ejaz 6 2012 Dynamic properties of the fractional-order logistic equation of complex variables. Zbl 1246.37074El-Sayed, A. M. A.; Ahmed, E.; El-Saka, H. A. A. 5 2012 Shrinkage and penalty estimators of a Poisson regression model. Zbl 1334.62127Hossain, Shakhawat; Ahmed, Ejaz 3 2012 Shrinkage estimation for the regression parameter matrix in multivariate regression model. Zbl 1431.62298Chitsaz, Shabnam; Ahmed, S. Ejaz 2 2012 An application of shrinkage estimation to the nonlinear regression model. Zbl 1255.62203Ahmed, S. Ejaz; Nicol, Christopher J. 2 2012 An improved estimation in regression parameter matrix in multivariate regression model. Zbl 1271.62116Chitsaz, S.; Ahmed, S. Ejaz 2 2012 Stein-type estimation using ranked set sampling. Zbl 1431.62032Ahmed, S. E.; Muttlak, H. A.; Al-Mutawa, J.; Saheh, M. 1 2012 Stabilizing the performance of kurtosis estimator of multivariate data. Zbl 1271.62114Ahmed, S. Ejaz.; Omar, M. Hafidz; Joarder, Anwar H. 1 2012 Positive-shrinkage and pretest estimation in multiple regression: a Monte Carlo study with applications. Zbl 1244.62103Enayetur Raheem, S. M.; Ejaz Ahmed, S. 2 2011 Data-based adaptive estimation in an investment model. Zbl 1277.62247Ahmed, S. Ejaz; Chitsaz, S. 1 2011 Shrinkage drift parameter estimation for multi-factor Ornstein-Uhlenbeck processes. Zbl 1224.91173Nkurunziza, Sévérien; Ahmed, S. Ejaz 10 2010 Robust inference strategy in the presence of measurement error. Zbl 1185.62099Ahmed, S. Ejaz; Hussein, Abdulkadir; Nkurunziza, Sévérien 7 2010 Shrinkage estimation in replicated median ranked set sampling. Zbl 1205.62034Muttlak, H. A.; Ahmed, S. E.; Al-Momani, M. 1 2010 On stability, persistence, and Hopf bifurcation in fractional order dynamical systems. Zbl 1175.37084El-Saka, H. A.; Ahmed, E.; Shehata, M. I.; El-Sayed, A. M. A. 25 2009 High order approximation for the coverage probability by a confident set centered at the positive-part James-Stein estimator. Zbl 1169.62007Ahmed, S. Ejaz; Volodin, Andrei I.; Volodin, Igor N. 11 2009 Positive shrinkage, improved pretest and absolute penalty estimators in partially linear models. Zbl 1160.62066Hossain, S.; Doksum, Kjell A.; Ahmed, S. Ejaz 11 2009 On fractional order quantum mechanics. Zbl 1394.81133Shahin, A. M.; Ahmed, E.; Omar, Yassmin A. 1 2009 Asymptotic theory of simultaneous estimation of Poisson means. Zbl 1160.62019Ejaz Ahmed, S.; Liu, Shuangzhe 1 2009 Improving the performance of kurtosis estimator. Zbl 05564662An, Lihua; Ahmed, S. Ejaz 8 2008 Parametric estimation for the Birnbaum-Saunders lifetime distribution based on a new parametrization. Zbl 1361.62012Ahmed, Syed E.; Budsaba, Kamon; Lisawadi, Supranee; Volodin, Andrei 6 2008 On the estimation of reliabilty function in a Weibull lifetime distribution. Zbl 1274.62666Baklizi, Ayman; Ahmed, S. E. 2 2008 Equilibrium points, stability and numerical solutions of fractional-order predator-prey and rabies models. Zbl 1105.65122Ahmed, E.; El-Sayed, A. M. A.; El-Saka, H. A. A. 163 2007 Shrinkage, pretest and absolute penalty estimators in partially linear models. Zbl 1158.62029Ejaz Ahmed, S.; Doksum, Kjell A.; Hossain, S.; You, Jinhong 30 2007 Asymptotic expansion of the coverage probability of James-Stein estimators. Zbl 1127.62014Ahmed, S. E.; Saleh, A. K. Md. E.; Volodin, A. I.; Volodin, I. N. 8 2007 Nonparametric inference strategies for the quantile functions under left truncation and right censoring. Zbl 1146.62024Buhamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E. 3 2007 On some Routh-Hurwitz conditions for fractional order differential equations and their applications in Lorenz, Rössler, Chua and Chen systems. Zbl 1142.30303Ahmed, E.; El-Sayed, A. M. A.; El-Saka, Hala A. A. 80 2006 Risk comparison of some shrinkage M-estimators in linear models. Zbl 1106.62071Ahmed, S. E.; Hussein, A. A.; Sen, P. K. 14 2006 Comparisons of improved risk estimators of the multivariate mean vector. Zbl 1431.62283Khan, B. U.; Ahmed, S. E. 3 2006 Numerical solution for the fractional replicator equation. Zbl 1080.65536Ahmed, E.; El-Sayed, A. M. A.; El-Mesiry, A. E. M.; El-Saka, H. A. A. 11 2005 Assessing the process capability index for non-normal processes. Zbl 1058.62113Ahmed, S. E. 6 2005 On the asymptotic probability for the deviations of dependent bootstrap means from the sample mean. Zbl 1078.60017Ahmed, S. Ejaz; Li, Deli; Rosalsky, Andrew; Volodin, Andrei 3 2005 On multiobjective optimization in portfolio management. Zbl 1096.91020Ahmed, E.; El-Alem, M. 3 2005 Estimating and testing effect size from an arbitrary population. Zbl 1108.62020Al-Kandari, Noriah M.; Buhamra, Sana S.; Ahmed, S. E. 2 2005 Biased estimation in a simple multivariate regression model. Zbl 1429.62183Ahmed, S. E.; Krzanowski, W. J. 10 2004 On modified Black-Scholes equation. Zbl 1071.91018Ahmed, E.; Abdusalam, H. A. 9 2004 Inference concerning quantile for left truncated and right censored data. Zbl 1429.62439BuHamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E. 6 2004 Improved estimation of coefficient vector in a regression model. Zbl 1081.62533Khan, B. U.; Ahmed, S. E. 8 2003 On the rate of complete convergence for weighted sums of arrays of Banach space valued random elements with application to moving average processes. Zbl 1017.60013Ahmed, S. Ejaz; Giuliano Antonini, Rita; Volodin, Andrei 14 2002 Simultaneous estimation of coefficients of variation. Zbl 1011.62026Ahmed, S. E. 7 2002 Immune-motivated optimization. Zbl 1065.90544Ahmed, E.; El-Alem, M. 2 2002 Almost sure lim sup behavior of bootstrapped means with applications to pairwise i. i. d. sequences and stationary ergodic sequences. Zbl 0977.62051Ahmed, S. E.; Li, Deli; Rosalsky, Andrew; Volodin, Andrei I. 8 2001 Simultaneous estimation of several intraclass correlation coefficients. Zbl 1027.62037Ahmed, S. E.; Gupta, A. K.; Khan, S. M.; Nicol, C. J. 4 2001 On the rate of convergence of bootstrapped means in a Banach space. Zbl 0984.60016Ejaz Ahmed, S.; Hu, T.-C.; Volodin, Andrei I. 2 2001 Empirical Bayes and likelihood inference. Workshop, Centre de Recherches Mathématiques, Montreal, Canada, November 1997. Zbl 0952.00035Ahmed, S. Ejaz (ed.); Reid, Nancy (ed.) 1 2001 Least squares, preliminary test and Stein-type estimation in general vector \(AR(p)\) models. Zbl 0957.62072Ahmed, S. E.; Basu, A. K. 4 2000 On inhomogeneous prey-predator model. Zbl 1056.92513Ahmed, E.; Yassen, M. T. 3 2000 Modeling the failure of a fractal tree and Julia sets. Zbl 0955.37023Abdusalam, H. A.; Ahmed, E. 2 2000 On the dynamics of some numerical methods. Zbl 0981.65142Ahmed, E.; Hegazi, A. S. 1 2000 Shrinkage and pretest nonparametric estimation of regression parameters from censored data with multiple observations at each level of covariate. Zbl 0959.62037Ahmed, S. E.; Rahbar, M. H. 1 2000 Fuzzy concepts in radiotherapy. Zbl 0956.92025Hussein, M. L.; Ahmed, E. 1 2000 Stein-type shrinkage quantile estimation. Zbl 0964.62040Ahmed, S. E. 1 2000 Improved nonparametric estimation of location vectors in multivariate regression models. Zbl 0954.62046Ahmed, S. E.; Saleh, A. K. Md. E. 9 1999 Complete convergence of bootstrapped means and moments of the supremum of normed bootstrapped sums. Zbl 1069.62528Li, Deli; Rosalsky, Andrew; Ahmed, S. E. 6 1999 Estimation of regression coefficients in an exponential regression model with censored observations. Zbl 0934.62103Ahmed, S. E.; Saleh, A. K. Md. E. 5 1999 Improved biased estimation in an ANOVA model. Zbl 0930.62069Ahmed, S. E.; Ullah, Bashir 5 1999 To pool or not to pool: The multivariate data. Zbl 0972.62032Ahmed, S. E.; Ullah, Bashir 1 1999 Simultaneous estimation of survivor functions in exponential lifetime models. Zbl 0936.62109Ahmed, S. E. 1 1999 Estimation of the scale matrix of a class of elliptical distributions. Zbl 0990.62046Joarder, A. H.; Ahmed, S. E. 5 1998 Large-sample estimation strategies for eigenvalues of a Wishart matrix. Zbl 1093.62543Ahmed, S. E. 1 1998 A Monte Carlo study of robustness of pretest and shrinkage estimators in pooling coefficients of variation. Zbl 0913.62016Ahmed, S. E.; Bhoj, D. S.; Ahsanullah, M. 1 1998 Improved pretest nonparametric estimation in a multivariate regression model. Zbl 0949.62027Ahmed, S. E. 1 1998 Improved prediction: Pooling two identical regression lines. Zbl 0901.62083Mahdi, T. N.; Ahmed, S. E.; Ahsanullah, M. 1 1998 Asymptotic shrinkage estimation: The regression case. Zbl 0935.62026Ahmed, S. E. 1 1997 On the application of fuzzy decision theory in chemotherapy. Zbl 0888.92020Ahmed, E.; Hussein, M. L. 1 1997 Estimation of the characteristic roots of the scale matrix. Zbl 0864.62038Joarder, Anwarul H.; Ahmed, S. E. 4 1996 Shrinkage estimation of the proportion in randomized response. Zbl 0845.62008Ahmed, S. E.; Rohatgi, V. K. 3 1996 On anyonic variables and fractional supersymmetry. Zbl 1022.81808Ahmed, E. 1 1996 A pooling methodology for coefficient of variation. Zbl 0856.62033Ahmed, S. E. 6 1995 Improved shrinkage estimation of relative potency. Zbl 0837.62098Ahmed, S. E. 1 1995 Improved estimation in a multivariate regression model. Zbl 0937.62596Ahmed, S. Ejaz 4 1994 Pooling reliability functions. Zbl 0832.62086Ahmed, S. E. 2 1994 A bootstrap theorem for a preliminary test estimator. Zbl 0774.62029Kulperger, R. J.; Ahmed, S. E. 5 1992 Estimation strategies for the intercept vector in a simple linear multivariate normal regression model. Zbl 0825.62570Ahmed, S. E.; Saleh, A. K. Md. E. 11 1990 Pooling multivariate data. Zbl 0726.62070Ahmed, S. E.; Saleh, A. K. Md. E. 8 1989 Recurrence relations and identities for moments of order statistics, II: Specific continuous distributions. Zbl 0696.62028Balakrishnan, N.; Malik, Henrick J.; Ahmed, S. E. 22 1988 Recurrence relations and identities for moments of order statistics, I: Arbitrary continuous distribution. Zbl 0696.62221Malik, Henrick J.; Balakrishnan, N.; Ahmed, S. E. 16 1988 Estimation strategy using a preliminary test in some normal models. Zbl 0683.62004Ahmed, S. E.; Saleh, A. K. Md. Ehsanes 1 1988 On extensions of supersymmetry algebras in \(d=4\) and 11. Zbl 0573.53051Ahmed, E.; Rands, B. L.; Taylor, J. G. 2 1985 all cited Publications top 5 cited Publications all top 5 Cited by 848 Authors 61 Ahmed, Syed Ejaz 14 Nkurunziza, Sévérien 13 Hossain, Shakhawat 11 Arashi, Mohammad 9 Volodin, Andrei I. 8 El-Saka, Hala A. A. 7 Tavazoei, Mohammad Saleh 6 Doksum, Kjell A. 6 El-Sayed, Ahmed Mohamed Ahmed 6 Lisawadi, Supranee 6 Roozbeh, Mahdi 6 Zhou, Ping 5 Al-Kandari, Noriah M. A. 5 Al-saedi, Ahmed Eid Salem 5 Azar, Ahmad Taher 5 Băleanu, Dumitru I. 5 Buhamra, Sana S. 5 Haeri, Mohammad 5 Hussein, Abdulkadir A. 5 Joarder, Anwar H. 5 Matouk, A. E. 5 Momani, Shaher M. 5 Nadarajah, Saralees 5 Ouannas, Adel 5 Ozalp, Nuri 5 Saleh, A. K. Md. Ehsanes 5 Wang, Zhen 5 Ziar, Toufik 4 Abdusalam, H. A. 4 Burch, Brent D. 4 Cao, Jinde 4 Čermák, Jan 4 Elshahed, Moustafa 4 Fahmy, E. S. 4 Kamps, Udo 4 Khan, Hafiz M. R. 4 Khan, Shahjahan 4 Leeb, Hannes 4 Matar, Mohammed M. 4 Norouzirad, Mina 4 Odibat, Zaid M. 4 Potscher, Benedikt M. 4 Rosalsky, Andrew 4 Xiao, Min 3 Abbas, Syed 3 Al-Momani, Marwan A. 3 Cabrera, Manuel Ordóñez 3 Chitsaz, Shabnam 3 Demirci, Elif 3 El-Gohary, Awad I. 3 Elsadany, Abdelalim A. 3 Fraiman, Ricardo 3 Ghaderi, Reza 3 Hosseinnia, Seyed Hassan 3 Hu, Jianhua 3 Hu, Tienchung 3 Huang, Chengdai 3 Jiang, Zhaolin 3 Kaslik, Eva 3 Kibria, B. M. Golam 3 Li, Deli 3 Li, Hongli 3 Li, Yuxia 3 Nechvátal, Luděk 3 Nguyen Dinh Cong 3 Rana, Sourav 3 Ranjbar Noiey, Abolzafl 3 Shah, Muhammad Kashif Ali 3 Shi, Bao 3 Teng, Zhi-dong 3 Thomas, P. Yageen 3 Tuan, Hoang The 3 Vaidyanathan, Sundarapandian 3 Volodin, Igor N. 3 Wang, Xinhe 3 Yousef, Ahmed M. 3 Yuan, Jian 3 Yüzbasi, Bahadir 3 Zhang, Long 2 Abdullah, Farah Aini 2 Abu-Youssef, S. E. 2 Agarwal, Ravi P. 2 Ahmad, Abd El-Baset A. 2 Ahmad, Bashir 2 Ahmed, Ekhlass S. 2 Alsaadi, Fuad Eid S. 2 An, Lihua 2 Arafa, Anas. A. M. 2 Arashi, Mohammed 2 Arshad, Sadia 2 Asheghan, Mohammad Mostafa 2 Aydin, Dursun 2 Baek, Jong-Il 2 Balasubramaniam, Pagavathigounder 2 Bao, Bocheng 2 Bhattacharya, Sabyasachi 2 Boukhouima, Adnane 2 Bukhari, Fawzy A. 2 Cai, Hao 2 Carvalho, Ana R. M. ...and 748 more Authors all top 5 Cited in 137 Serials 25 Journal of Statistical Computation and Simulation 24 Nonlinear Dynamics 23 Communications in Statistics. Theory and Methods 21 Advances in Difference Equations 19 Chaos, Solitons and Fractals 15 Computational Statistics and Data Analysis 14 Applied Mathematics and Computation 14 Statistics & Probability Letters 12 Journal of Statistical Planning and Inference 12 Abstract and Applied Analysis 11 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 11 Statistical Papers 10 Metrika 9 Journal of Multivariate Analysis 9 Statistics 9 Mathematical Problems in Engineering 8 Complexity 7 Journal of Applied Statistics 6 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 6 Linear Algebra and its Applications 6 Communications in Nonlinear Science and Numerical Simulation 6 Lobachevskii Journal of Mathematics 5 Journal of the Franklin Institute 5 Computational Statistics 5 Computational and Applied Mathematics 5 Journal of the Egyptian Mathematical Society 5 Journal of Nonparametric Statistics 4 Computers & Mathematics with Applications 4 International Journal of Mathematics and Mathematical Sciences 4 Journal of Computational and Applied Mathematics 4 Stochastic Analysis and Applications 4 Applied Mathematics Letters 4 Communications in Statistics. Simulation and Computation 4 Chaos 4 Discrete Dynamics in Nature and Society 4 International Journal of Nonlinear Sciences and Numerical Simulation 4 Nonlinear Analysis. Modelling and Control 4 Advances in Mathematical Physics 4 Asian Journal of Control 3 Journal of Mathematical Analysis and Applications 3 Australian & New Zealand Journal of Statistics 3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 3 Journal of Applied Mathematics and Computing 2 Mathematical Methods in the Applied Sciences 2 Physica A 2 Collectanea Mathematica 2 Circuits, Systems, and Signal Processing 2 Journal of Theoretical Probability 2 Mathematical and Computer Modelling 2 Test 2 Differential Equations and Dynamical Systems 2 Fractional Calculus & Applied Analysis 2 Journal of Interdisciplinary Mathematics 2 Statistical Inference for Stochastic Processes 2 Econometric Theory 2 Applied Stochastic Models in Business and Industry 2 Nonlinear Analysis. Real World Applications 2 Statistical Methodology 2 Journal of the Korean Statistical Society 2 Journal of Statistical Theory and Practice 2 Mathematical Modelling of Natural Phenomena 2 International Journal of Biomathematics 2 International Journal of Differential Equations 2 Mathematics 2 Journal of Function Spaces 1 Modern Physics Letters A 1 Modern Physics Letters B 1 International Journal of Modern Physics B 1 International Journal of General Systems 1 International Journal of Heat and Mass Transfer 1 International Journal of Theoretical Physics 1 Lithuanian Mathematical Journal 1 Mathematical Biosciences 1 Scandinavian Journal of Statistics 1 Theoretical and Mathematical Physics 1 Journal of Geometry and Physics 1 The Annals of Statistics 1 Automatica 1 Calcolo 1 Fuzzy Sets and Systems 1 Journal of Econometrics 1 Mathematics and Computers in Simulation 1 Numerical Functional Analysis and Optimization 1 Opsearch 1 Proceedings of the American Mathematical Society 1 Acta Applicandae Mathematicae 1 Physica D 1 Acta Mathematicae Applicatae Sinica. English Series 1 Neural Networks 1 Applied Mathematical Modelling 1 Automation and Remote Control 1 International Journal of Computer Mathematics 1 SIAM Journal on Optimization 1 Statistica Sinica 1 Bernoulli 1 Journal of Mathematical Chemistry 1 European Journal of Control 1 Journal of Vibration and Control 1 Vietnam Journal of Mathematics 1 Journal of Inequalities and Applications ...and 37 more Serials all top 5 Cited in 35 Fields 206 Statistics (62-XX) 185 Ordinary differential equations (34-XX) 98 Biology and other natural sciences (92-XX) 63 Numerical analysis (65-XX) 50 Real functions (26-XX) 48 Dynamical systems and ergodic theory (37-XX) 46 Systems theory; control (93-XX) 35 Probability theory and stochastic processes (60-XX) 18 Partial differential equations (35-XX) 16 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 8 Calculus of variations and optimal control; optimization (49-XX) 8 Operations research, mathematical programming (90-XX) 7 Operator theory (47-XX) 7 Information and communication theory, circuits (94-XX) 6 Linear and multilinear algebra; matrix theory (15-XX) 6 Difference and functional equations (39-XX) 6 Integral equations (45-XX) 4 Measure and integration (28-XX) 4 Statistical mechanics, structure of matter (82-XX) 3 Global analysis, analysis on manifolds (58-XX) 3 Mechanics of particles and systems (70-XX) 2 General and overarching topics; collections (00-XX) 2 Combinatorics (05-XX) 2 Functions of a complex variable (30-XX) 2 Computer science (68-XX) 2 Classical thermodynamics, heat transfer (80-XX) 2 Quantum theory (81-XX) 1 Commutative algebra (13-XX) 1 Special functions (33-XX) 1 Approximations and expansions (41-XX) 1 Integral transforms, operational calculus (44-XX) 1 Differential geometry (53-XX) 1 Fluid mechanics (76-XX) 1 Optics, electromagnetic theory (78-XX) 1 Relativity and gravitational theory (83-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.