@article{econhot_econhot-cited-87e5ece326c18aba, title = {TheRPackagegeepackfor Generalized Estimating Equations}, author = {Ulrich Halekoh and Søren Højsgaard and Jun Yan}, journal = {Journal of Statistical Software}, year = {2006}, volume = {15}, number = {2}, doi = {10.18637/jss.v015.i02}, url = {https://doi.org/10.18637/jss.v015.i02} }