org.apache.spark.ml.algs.LinearRegressionTransformer.scala Maven / Gradle / Ivy
The newest version!
/*
* 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.ml.algs
import org.apache.spark.ml.BaseAlgorithmTransformer
import org.apache.spark.ml.recommendation.ALSModel
import org.apache.spark.ml.regression.LinearRegressionModel
import org.apache.spark.sql.DataFrame
/**
* 7/28/16 WilliamZhu([email protected])
*/
class LinearRegressionTransformer(path: String,parameters:Map[String,String])extends BaseAlgorithmTransformer {
val model = LinearRegressionModel.load(path)
def transform(df: DataFrame): DataFrame = {
model.transform(df)
}
}