Package: ReportSubtotal 0.2.1

ReportSubtotal: Adds Subtotals to Data Reports

Adds subtotal rows / sections (a la the 'SAS' 'Proc Tabulate' All option) to a Group By output by running a series of Group By functions with partial sets of the same variables and combining the results with the original. Can be used to add comprehensive information to a data report or to quickly aggregate Group By outputs used to gain a greater understanding of data.

Authors:Yoni Aboody [aut, cre, cph]