Set Haver Analytics aggregation mode
X = aggregation (C)
X = aggregation (C,V)
X = aggregation (C) returns the current aggregation mode.
X = aggregation (C,V) sets the current aggregation mode to V. The following table lists possible values for V.
|Value of V||Aggregation mode||Behavior of aggregation function|
|0||strict||aggregation does not fill in values for missing data.|
|1||relaxed||aggregation fills in missing data based on data available in the requested period.|
|2||forced||aggregation fills in missing data based on some past value.|
|-1||Not recognized||aggregation resets V to its last valid setting.|