export(mle)
importFrom(graphics, plot)
importFrom(stats, AIC, coef, confint, logLik, optim, profile, 
	   qchisq, update, vcov)
exportClasses(mle, profile.mle, summary.mle)
exportMethods(AIC, BIC, coef, confint, logLik, plot, profile, 
              summary, show, update, vcov)