methods, robustbase, pcaPP, mvtnorm, rrcov
methods, robustbase, pcaPP, mvtnorm, rrcov, R (>= 2.15.0)
grid, lattice, robustbase, pcaPP, mvtnorm
grid, lattice, cluster, mclust, MASS, ellipse
grid, lattice, cluster, mclust, MASS, ellipse, knitr,
rmarkdown