importFrom("stats", glm.fit, model.matrix, terms, printCoefmat)
importFrom("nleqslv", nleqslv)
import("survival")

export(drgee, coef.drgee, vcov.drgee, print.drgee, summary.drgee,
       print.summary.drgee, gee, coef.gee, vcov.gee, print.gee, summary.gee,
       print.summary.gee, findRoots, robVcov,
       drgeeData, summary.drgeeData, print.summary.drgeeData)

S3method(coef, drgee)
S3method(vcov, drgee)
S3method(summary, drgee)
S3method(print, drgee)
S3method(summary, drgee)
S3method(print, summary.drgee)
S3method(coef, gee)
S3method(vcov, gee)
S3method(summary, gee)
S3method(print, gee)
S3method(summary, gee)
S3method(print, summary.gee)
S3method(summary, drgeeData)
S3method(print, summary.drgeeData)
