library(rcdd) qux <- matrix(0, 0, 6) out <- scdd(qux, representation = "H") print(out) scdd(out$output) out <- scdd(qux, representation = "H", adjacency = TRUE, inputadjacency = TRUE, incidence = TRUE, inputincidence = TRUE) print(out) options(error=dump.frames) out <- scdd(qux, representation = "V")