pplbench/models/crowd_sourced_annotation.py [133:141]:
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            },
        )

        return split_train_test(data, "item", train_frac)

    @staticmethod
    def evaluate_posterior_predictive(
        samples: xr.Dataset, test: xr.Dataset
    ) -> np.ndarray:
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pplbench/models/logistic_regression.py [95:102]:
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            },
        )
        return split_train_test(data, "item", train_frac)

    @staticmethod
    def evaluate_posterior_predictive(
        samples: xr.Dataset, test: xr.Dataset
    ) -> np.ndarray:
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