Generalization of table structure
tbl.struct(fmla = NULL, data, label = NULL, group = NULL, regx = NA,
main = NA, footnote = NA, row.hl = list(dx = NULL, col = NULL))
Formula interface to define table structure
data.frame
name of column containing row labels
name of column containing hieriarchy labels for the row names
regular expression to be removed from original column names
Table title
footnote
row highlight object see row.hl function