stats, grDevices, graphics, splines, np, Matrix, moments,
nor1mix, spatstat, lattice, MASS, pbivnorm
stats, grDevices, graphics, splines, np, Matrix, moments,
nor1mix, spatstat, lattice, MASS, pbivnorm, parallel
stats, grDevices, graphics, splines, np, Matrix, moments,
nor1mix, spatstat.geom, spatstat (>= 2.0-0), lattice, MASS,
pbivnorm, parallel