Source code for secretflow.ml.boost.ss_xgb_v.core.xgb_tree
# Copyright 2022 Ant Group Co., Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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[docs]class XgbTree:
[docs] def __init__(self) -> None:
self.split_features = list()
self.split_values = list()
[docs] def insert_split_node(self, feature: int, value: float) -> None:
assert isinstance(feature, int), f"feature {feature}"
assert isinstance(value, float), f"value {value}"
self.split_features.append(feature)
self.split_values.append(value)