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paguro.Dataset[VFM: paguro.models.vfm.vfmodel.VFrameModel]].join_asof(other: Dataset[U] | polars.DataFrame, *, left_on: str | None | pl.Expr =
None, right_on: str | None | pl.Expr =None, on: str | None | pl.Expr =None, by_left: str | Sequence[str] | None =None, by_right: str | Sequence[str] | None =None, by: str | Sequence[str] | None =None, strategy: AsofJoinStrategy ='backward', suffix: str ='_right', tolerance: str | int | float | timedelta | None =None, allow_parallel: bool =True, force_parallel: bool =False, coalesce: bool =True, allow_exact_matches: bool =True, check_sortedness: bool =True) Self Polars’ join_asof.