Grouping objects can be used for aggregating the contributions of shocks in model simulations, model/simulate, or aggregating the contributions of measurement variables in Kalman filtering, model/filter.
Grouping methods:
grouping - Create new empty grouping object.addgroup - Add measurement variable group or shock group to grouping object.eval - Evaluate contributions in input database S using grouping object G.help grouping
help grouping/function_name