The time series from selected levels of a hierarchical/grouped time series or a forecasted
hierarchical/grouped time series are returned as a multivariate time series.
Usage
aggts(y, levels, forecasts = TRUE)
Arguments
y
An object of class {gts}.
levels
Integer(s) or string(s) giving the specified level(s).
forecasts
If y contains forecasts and historical data, then forecasts
indicates whether to return the forecasts or the historical data. Otherwise it is ignored.