)
    Target values.

**params : dict
    Parameters routed to the `score` method of the sub-estimator via
    the metadata routing API.

    .. versionadded:: 1.5

        Only available if
        `sklearn.set_config(enable_metadata_routing=True)` is set. See
        :ref:`Metadata Routing User Guide <metadata_routing>` for more
        details.

Returns
-------
z : float
    Score of the prediction.
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