/* * 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.tree.loss import org.apache.spark.annotation.Since @Since("1.2.0") object Losses { @Since("1.2.0") def fromString(name: String): Loss = name match { case "leastSquaresError" => SquaredError case "leastAbsoluteError" => AbsoluteError case "logLoss" => LogLoss case _ => throw new IllegalArgumentException(s"Did not recognize Loss name: $name") } }