{"action":"created","comment":{"url":"https://api.github.com/repos/apache/spark/pulls/comments/66698380","id":66698380,"diff_hunk":"@@ -0,0 +1,62 @@\n+/*\n+ * Licensed to the Apache Software Foundation (ASF) under one or more\n+ * contributor license agreements.  See the NOTICE file distributed with\n+ * this work for additional information regarding copyright ownership.\n+ * The ASF licenses this file to You under the Apache License, Version 2.0\n+ * (the \"License\"); you may not use this file except in compliance with\n+ * the License.  You may obtain a copy of the License at\n+ *\n+ *    http://www.apache.org/licenses/LICENSE-2.0\n+ *\n+ * Unless required by applicable law or agreed to in writing, software\n+ * distributed under the License is distributed on an \"AS IS\" BASIS,\n+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n+ * See the License for the specific language governing permissions and\n+ * limitations under the License.\n+ */\n+\n+// scalastyle:off println\n+package org.apache.spark.examples.ml\n+\n+// $example on$\n+import org.apache.spark.ml.regression.IsotonicRegression\n+// $example off$\n+import org.apache.spark.sql.SparkSession\n+\n+/**\n+ * An example demonstrating Isotonic Regression.\n+ * Run with\n+ * {{{\n+ * bin/run-example ml.IsotonicRegressionExample\n+ * }}}\n+ */\n+object IsotonicRegressionExample {\n+\n+  def main(args: Array[String]): Unit = {\n+\n+    // Creates a SparkSession.\n+    val spark = SparkSession\n+      .builder\n+      .appName(s\"${this.getClass.getSimpleName}\")\n+      .getOrCreate()\n+\n+    // $example on$\n+    // Loads data.\n+    val dataset = spark.read.format(\"libsvm\")\n+      .load(\"data/mllib/sample_isotonic_regression_libsvm_data.txt\")\n+\n+    // Trains an isotonic regression model.\n+    val ir = new IsotonicRegression()\n+    val model = ir.fit(dataset)\n+\n+    println(s\"Boundaries in increasing order: ${model.boundaries}\")\n+    println(s\"Predictions associated with the boundaries: ${model.predictions}\")\n+\n+    // Makes predictions.\n+    model.transform(dataset).show","path":"examples/src/main/scala/org/apache/spark/examples/ml/IsotonicRegressionExample.scala","position":56,"original_position":56,"commit_id":"13027b79bbe8e77119207cc8810a775bca022c32","original_commit_id":"13027b79bbe8e77119207cc8810a775bca022c32","user":{"login":"jkbradley","id":5084283,"avatar_url":"https://avatars.githubusercontent.com/u/5084283?v=3","gravatar_id":"","url":"https://api.github.com/users/jkbradley","html_url":"https://github.com/jkbradley","followers_url":"https://api.github.com/users/jkbradley/followers","following_url":"https://api.github.com/users/jkbradley/following{/other_user}","gists_url":"https://api.github.com/users/jkbradley/gists{/gist_id}","starred_url":"https://api.github.com/users/jkbradley/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jkbradley/subscriptions","organizations_url":"https://api.github.com/users/jkbradley/orgs","repos_url":"https://api.github.com/users/jkbradley/repos","events_url":"https://api.github.com/users/jkbradley/events{/privacy}","received_events_url":"https://api.github.com/users/jkbradley/received_events","type":"User","site_admin":false},"body":"\"show\" --> \"show()\"","created_at":"2016-06-11T01:28:42Z","updated_at":"2016-06-11T01:28:42Z","html_url":"https://github.com/apache/spark/pull/13381#discussion_r66698380","pull_request_url":"https://api.github.com/repos/apache/spark/pulls/13381","_links":{"self":{"href":"https://api.github.com/repos/apache/spark/pulls/comments/66698380"},"html":{"href":"https://github.com/apache/spark/pull/13381#discussion_r66698380"},"pull_request":{"href":"https://api.github.com/repos/apache/spark/pulls/13381"}}},"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/13381","id":71807355,"html_url":"https://github.com/apache/spark/pull/13381","diff_url":"https://github.com/apache/spark/pull/13381.diff","patch_url":"https://github.com/apache/spark/pull/13381.patch","issue_url":"https://api.github.com/repos/apache/spark/issues/13381","number":13381,"state":"open","locked":false,"title":"[SPARK-15608][ml][examples][doc] add examples and documents of ml.isotonic regression","user":{"login":"WeichenXu123","id":19235986,"avatar_url":"https://avatars.githubusercontent.com/u/19235986?v=3","gravatar_id":"","url":"https://api.github.com/users/WeichenXu123","html_url":"https://github.com/WeichenXu123","followers_url":"https://api.github.com/users/WeichenXu123/followers","following_url":"https://api.github.com/users/WeichenXu123/following{/other_user}","gists_url":"https://api.github.com/users/WeichenXu123/gists{/gist_id}","starred_url":"https://api.github.com/users/WeichenXu123/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/WeichenXu123/subscriptions","organizations_url":"https://api.github.com/users/WeichenXu123/orgs","repos_url":"https://api.github.com/users/WeichenXu123/repos","events_url":"https://api.github.com/users/WeichenXu123/events{/privacy}","received_events_url":"https://api.github.com/users/WeichenXu123/received_events","type":"User","site_admin":false},"body":"## What changes were proposed in this pull request?\r\n\r\nadd ml doc for ml isotonic regression\r\nadd scala example for ml isotonic regression\r\nadd java example for ml isotonic regression\r\nadd python example for ml isotonic regression\r\n\r\nmodify scala example for mllib isotonic regression\r\nmodify java example for mllib isotonic regression\r\nmodify python example for mllib isotonic regression\r\n\r\nadd data/mllib/sample_isotonic_regression_libsvm_data.txt\r\ndelete data/mllib/sample_isotonic_regression_data.txt\r\n## How was this patch tested?\r\n\r\nN/A\r\n\r\n\r\n","created_at":"2016-05-28T17:28:53Z","updated_at":"2016-06-11T01:28:42Z","closed_at":null,"merged_at":null,"merge_commit_sha":"e118feead892dd94b129d1b94ec89116ab0c6458","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/apache/spark/pulls/13381/commits","review_comments_url":"https://api.github.com/repos/apache/spark/pulls/13381/comments","review_comment_url":"https://api.github.com/repos/apache/spark/pulls/comments{/number}","comments_url":"https://api.github.com/repos/apache/spark/issues/13381/comments","statuses_url":"https://api.github.com/repos/apache/spark/statuses/13027b79bbe8e77119207cc8810a775bca022c32","head":{"label":"WeichenXu123:add_isotonic_regression_doc","ref":"add_isotonic_regression_doc","sha":"13027b79bbe8e77119207cc8810a775bca022c32","user":{"login":"WeichenXu123","id":19235986,"avatar_url":"https://avatars.githubusercontent.com/u/19235986?v=3","gravatar_id":"","url":"https://api.github.com/users/WeichenXu123","html_url":"https://github.com/WeichenXu123","followers_url":"https://api.github.com/users/WeichenXu123/followers","following_url":"https://api.github.com/users/WeichenXu123/following{/other_user}","gists_url":"https://api.github.com/users/WeichenXu123/gists{/gist_id}","starred_url":"https://api.github.com/users/WeichenXu123/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/WeichenXu123/subscriptions","organizations_url":"https://api.github.com/users/WeichenXu123/orgs","repos_url":"https://api.github.com/users/WeichenXu123/repos","events_url":"https://api.github.com/users/WeichenXu123/events{/privacy}","received_events_url":"https://api.github.com/users/WeichenXu123/received_events","type":"User","site_admin":false},"repo":{"id":58255485,"name":"spark","full_name":"WeichenXu123/spark","owner":{"login":"WeichenXu123","id":19235986,"avatar_url":"https://avatars.githubusercontent.com/u/19235986?v=3","gravatar_id":"","url":"https://api.github.com/users/WeichenXu123","html_url":"https://github.com/WeichenXu123","followers_url":"https://api.github.com/users/WeichenXu123/followers","following_url":"https://api.github.com/users/WeichenXu123/following{/other_user}","gists_url":"https://api.github.com/users/WeichenXu123/gists{/gist_id}","starred_url":"https://api.github.com/users/WeichenXu123/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/WeichenXu123/subscriptions","organizations_url":"https://api.github.com/users/WeichenXu123/orgs","repos_url":"https://api.github.com/users/WeichenXu123/repos","events_url":"https://api.github.com/users/WeichenXu123/events{/privacy}","received_events_url":"https://api.github.com/users/WeichenXu123/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/WeichenXu123/spark","description":"Mirror 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