R (>= 2.6.0), hdrcde, MASS, pcaPP, cluster
R (>= 2.6.0), hdrcde, ks, MASS, pcaPP, cluster
R (>= 2.10.0), hdrcde, MASS, pcaPP, cluster
R (>= 2.10.0), hdrcde, MASS, pcaPP, cluster, colorspace
hdrcde, cluster, colorspace, ks, methods