Usage
sco.match(score1, score2, label = names(score1), clabel = 1,
horizontal = TRUE, reverse = FALSE, pos.lab = 0.5, wmatch = 3,
pch = 20, cpoint = 1, boxes = TRUE, lim = NULL, grid = TRUE,
cgrid = 1, include.origin = TRUE, origin = c(0, 0), sub = "",
csub = 1.25, possub = "bottomleft")