PhyToString: Extract character data from a phyDat object as a string
In ms609/inapplicable: Inapplicable data in parsimony analysis

Extract character data from a phyDat object as a string

1	PhyToString(phy, ps = "", useIndex = TRUE, byTaxon = TRUE)

`phy`	an object of class `phyDat`
`ps`	text, perhaps ';', to append to the end of the string
`useIndex`	(default: TRUE) Print duplicate characters multiple times, as they appeared in the original matrix
`byTaxon`	If TRUE, write one taxon followed by the next. If FALSE, write one character followed by the next