Usage
#categorical sets
#(grouped by a categorical variable)
pdfuv.gset.cks (x, …, group.by)
cdfuv.gset.cks (x, …, group.by)
qfuv.gset.cks (x, …, group.by)
cdfuv.gset.el (x, …, group.by)
qfuv.gset.el (x, …, group.by)#marginal sets
pdfuv.mset.cks (x, …, bw, smoothness=1)
cdfuv.mset.cks (x, …, bw, smoothness=1)
qfuv.mset.cks (x, …, bw, smoothness=1)
cdfuv.mset.el (x, …)
qfuv.mset.el (x, …)