Method slice

catboost/python-package/catboost/core.py:1135–1140

(self, rindex)

            raise CatBoostError("Invalid thread_count type={} : must be an integer".format(type(thread_count)))

    def slice(self, rindex):
        if not isinstance(rindex, ARRAY_TYPES):
            raise CatBoostError("Invalid rindex type={} : must be array like".format(type(rindex)))
        slicedPool = Pool(None, data_can_be_none=True)
        slicedPool._take_slice(self, rindex)
        return slicedPool

    def train_eval_split(self, has_time, is_classification, eval_fraction, save_eval_pool):
        train_pool = Pool(None, data_can_be_none=True)