Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/6654#discussion_r32684146
--- Diff:
examples/src/main/scala/org/apache/spark/examples/ml/ComplexPipelineExample.scala
---
@@ -0,0 +1,156 @@
+/*
+ * 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
+
+import org.apache.spark.ml.Pipeline
+import org.apache.spark.ml.classification.{LogisticRegression, OneVsRest}
+import org.apache.spark.ml.feature.{HashingTF, StringIndexer, Tokenizer}
+import org.apache.spark.mllib.evaluation.MulticlassMetrics
+import org.apache.spark.sql.Row
+import org.apache.spark.sql.hive.HiveContext
+import org.apache.spark.{SparkConf, SparkContext}
+
+/**
+ * An example of an end to end machine learning pipeline that classifies
text
+ * into one of twenty possible news categories. The dataset is the
20newsgroups
+ * dataset (http://qwone.com/~jason/20Newsgroups/20news-bydate.tar.gz)
--- End diff --
Do you know how stable this URL is? Is the UCI dataset ok to use too, if
that's more stable?
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