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.