Github user hhbyyh commented on a diff in the pull request: https://github.com/apache/spark/pull/21283#discussion_r189465567 --- Diff: examples/src/main/java/org/apache/spark/examples/ml/JavaPowerIterationClusteringExample.java --- @@ -0,0 +1,85 @@ +/* + * 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.examples.ml; + +// $example on$ + +import org.apache.spark.ml.clustering.PowerIterationClustering; +import org.apache.spark.sql.Dataset; +import org.apache.spark.sql.Row; +import org.apache.spark.sql.RowFactory; +import org.apache.spark.sql.SparkSession; +import org.apache.spark.sql.types.DataTypes; +import org.apache.spark.sql.types.Metadata; +import org.apache.spark.sql.types.StructField; +import org.apache.spark.sql.types.StructType; + +import java.util.Arrays; +import java.util.List; + +// $example off$ + +/** + * An example demonstrating PowerIterationClusteringExample. + * Run with + * <pre> + * bin/run-example ml.JavaPowerIterationClusteringExample + * </pre> + */ +public class JavaPowerIterationClusteringExample { + + public static void main(String[] args) { + // Create a SparkSession. + SparkSession spark = SparkSession + .builder() + .appName("JavaPowerIterationClustering") + .getOrCreate(); + + // $example on$ + // Creates data. --- End diff -- for consistency: Either remove the detailed comments or add one for training.
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org