IVaids                  Data: AIDS patient among IV drug user
LUPE1                   Compute self-consistant estimator of CDF from
                        doubly censored data
d011                    Compute NPMLE of CDF from doubly censored data
d011ch                  Compute NPMLE of CDF from doubly censored data,
                        with and without a constraint, plus an
                        empirical likelihood ratio
