variables, basefun, sandwich, coneproj, methods
TH.data (>= 1.0-9), tram (>= 0.2-3), survival, partykit,
lattice, latticeExtra, knitr, colorspace, gamlss.data, trtf
TH.data (>= 1.0-9), tram (>= 1.3-0), survival, partykit,
lattice, latticeExtra, knitr, colorspace, gamlss.data, trtf