fpd                     calculate the Fritz & Purvis D (FPD) metric
noto                    calculate the number of tips per origin (NoTO)
                        metric
sscd                    calculate the sum of sister clade differences
                        (SSCD) metric
tars                    calculate the tip age rank sum (TARS) metric
treesim                 Simulate trees with fixed number of sampled
                        taxa and trait prevalance
treestat                Significance test of user defined phylogenetic
                        metric
