R package “geesmv”
Photo by rawpixel on UnsplashGeneralized estimating equations with the original sandwich variance estimator proposed by Liang and Zeger (1986), and eight types of more recent modified variance estimators for improving the finite small-sample performance. View more details on https://cran.r-project.org/web/packages/geesmv/.
You can also refer to the paper"Wang M, Kong L, Li Z and Zhang L. Covariance estimators for generalized estimating equations (GEE) in longitudinal analysis with small samples. Stat Med. 2016 May 10; 35(10):1706-21. PMID: 26585756.".
Liangliang(Lyon) Zhang
Assistant Professor
Dr. Zhang’s research interests center around Bayesian inference and prediction, high dimensional models, and complex structured data, such as brain imaging and metagenomic data.