importFrom("stats", "model.extract", "model.frame", "model.matrix",
             "pnorm", "sd", "var")
importFrom("methods", "is")
importFrom("MASS", "ginv")
importFrom("Matrix", "bdiag")
import("survival")
importFrom("geepack", "geese")
exportPattern("^[[:alpha:]]+")

S3method(print, geecure)
S3method(print, geecure2)
