## which functions shall be accessible by the users?
export(
    bootSurvivalSample,
    bootstrapTimeToEvent,
    exactDatesFromMonths,
    lambda_j_Exp,
    kaplanMeier_at_t0,
    hybrid_Exponential,
    piecewiseExp_MLE,
    piecewiseExp_profile_loglik_tau,
    piecewiseExp_test_changepoint,
    predictEvents,
    predictEventsUncond
)
importFrom(muhaz,
           muhaz)
importFrom(survival,
           Surv, survfit)
importFrom(stats, 
           optim, optimize, pchisq, qchisq, approx)


