(self)
return list(tz.unique(tz.concat(
            m.interaction_columns_used() for m in self.models.values())))
Columns from the interaction dataset used for filtering and in
        the model. These may come originally from either the choosers or
        alternatives tables.
Columns from the interaction dataset used for filtering and in
        the model. These may come originally from either the choosers or
        alternatives tables.
Columns from the interaction dataset used for filtering and in the model . These may come originally from either the choosers or alternatives tables .
def interaction_columns_used(self):
        """
        Columns from the interaction dataset used for filtering and in
        the model. These may come originally from either the choosers or
        alternatives tables.

        """
        return list(tz.unique(tz.concat(
            m.interaction_columns_used() for m in self.models.values())))
def interaction_columns_used ( self ) : return list ( tz . unique ( tz . concat ( m . interaction_columns_used ( ) for m in self . models . values ( ) ) ) )