spark package 源码
spark package 代码
文件路径：/mllib/src/main/scala/org/apache/spark/mllib/tree/package.scala
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
* http://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.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.mllib
/**
* This package contains the default implementation of the decision tree algorithm, which supports:
* - binary classification,
* - regression,
* - information loss calculation with entropy and Gini for classification and
* variance for regression,
* - both continuous and categorical features.
*/
package object tree {
}
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