dpn                     The PN distribution
pn.IC                   Confidence interval for alpha (PN distribution)
pn.ICred                Credibility interval for alpha (PN
                        distribution)
pn.bayes                Fit univariate PN distribution (Bayesian)
pn.bias                 Unbiased estimator for alpha (PN distribution)
pn.dens                 Estimated densities (PN distribution)
pn.hist                 Histrogram and estimated densities plots (PN
                        distribution)
pn.lines                Plot lines of PN densities
pn.mle                  Fit univariate PN distribution (Classic)
