This function will only add an overall
column at the top level of splitting, NOT within
existing column splits.
See add_overall_level for the recommended
way to add overall columns more generally within existing splits.
Usage
add_overall_col(lyt, label)
Arguments
lyt
layout object pre-data used for tabulation
label
character(1). A label (not to be confused with the name) for the object/structure.
Value
A PreDataTableLayouts object suitable for passing to further layouting functions, and to build_table.