Joining dataframes

Joiner	Augment features in a main table by fuzzy-joining an auxiliary table to it.
AggJoiner	Aggregate an auxiliary dataframe before joining it on a base dataframe.
MultiAggJoiner	Extension of the AggJoiner to multiple auxiliary tables.
AggTarget	Aggregate a target y before joining its aggregation on a base dataframe.
InterpolationJoiner	Join with a table augmented by machine-learning predictions.
fuzzy_join	Perform a fuzzy (approximate) join between the left and right tables.