IC                      Information Criterion for selecting the tuning
                        parameter.
LassoGEE                Function to fit penalized GEE by I-CGD
                        algorithm.
cv.LassoGEE             Cross-validation for LassoGEE.
print.LassoGEE          print a LassoGEE object
print.cv.LassoGEE       print a cross-validated LassoGEE object
