Covariance estimators for Generalized Estimating Equations (GEE) in longitudinal analysis with small samples.
Division of Biostatistics and Bioinformatics, Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA.
Ming
M
Wang
Division of Biostatistics and Bioinformatics, Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA.
Lan
L
Kong
Division of Biostatistics and Bioinformatics, Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA.
Zheng
Z
Li
Institute for Personalized Medicine, Department of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, USA.
Lijun
L
Zhang
D003198:Computer Simulation; D003627:Data Interpretation, Statistical; D006801:Humans; D008137:Longitudinal Studies; D015233:Models, Statistical