cdfplot                 Distribution function plot of the two-parameter
                        exponential distribution
medrank                 Median rank method to estimate parameters of
                        the two-parameter exponential dist.
mle_tpexp               Maximum likelihood estimation for the
                        two-parameter exponential dist.
pdfplot                 Density plot of the two-parameter exponential
                        distribution
pmle_tpexp              Penalized maximum likelihood estimation for the
                        two-parameter exponential dist.
qm_tpexp                Quartile method estimation of the two-parameter
                        exponential distribution
surplot                 Survival function plot of the two-parameter
                        exponential distribution
tpexp                   The two-parameter exponential
                        distribution(tpexp)
