TT.mahalanobis(geo, tri.data, css.names = NULL, text.tol = NULL,
text.sum = NULL, blr.clock = NULL, tri.sum.tst = NULL, tri.pos.tst = NULL,
set.par = FALSE, n = 25, center = NULL, cov.mat = NULL, inverted = FALSE,
..., alr = FALSE, divisorvar = 2)