class GroupedView extends AnyRef
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- def agg(aggExprs: Expr*): DataFrame
Aggregate this GroupedView to a new DataFrame, evaluated by the list of aggregation expressions.
Aggregate this GroupedView to a new DataFrame, evaluated by the list of aggregation expressions. An aggregation expression can be any expression, but it must contain Aggregator expressions instead of column accessors. The Aggregator expressions themselves may contain arbitrary expressions with combinations of column accessors. Use the 'as' method on Expr to name the resulting columns.
- aggExprs
the list of Expr used to aggregate the values of the groups
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new DataFrame
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