Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/10219#discussion_r47143681
--- Diff: docs/ml-features.md ---
@@ -794,39 +411,7 @@ dctDf.select("featuresDCT").show(3)
Refer to the [DCT Java docs](api/java/org/apache/spark/ml/feature/DCT.html)
for more details on the API.
-{% highlight java %}
-import java.util.Arrays;
-
-import org.apache.spark.api.java.JavaRDD;
-import org.apache.spark.api.java.JavaSparkContext;
-import org.apache.spark.ml.feature.DCT;
-import org.apache.spark.mllib.linalg.Vector;
-import org.apache.spark.mllib.linalg.VectorUDT;
-import org.apache.spark.mllib.linalg.Vectors;
-import org.apache.spark.sql.DataFrame;
-import org.apache.spark.sql.Row;
-import org.apache.spark.sql.RowFactory;
-import org.apache.spark.sql.SQLContext;
-import org.apache.spark.sql.types.Metadata;
-import org.apache.spark.sql.types.StructField;
-import org.apache.spark.sql.types.StructType;
-
-JavaRDD<Row> data = jsc.parallelize(Arrays.asList(
- RowFactory.create(Vectors.dense(0.0, 1.0, -2.0, 3.0)),
- RowFactory.create(Vectors.dense(-1.0, 2.0, 4.0, -7.0)),
- RowFactory.create(Vectors.dense(14.0, -2.0, -5.0, 1.0))
-));
-StructType schema = new StructType(new StructField[] {
- new StructField("features", new VectorUDT(), false, Metadata.empty()),
-});
-DataFrame df = jsql.createDataFrame(data, schema);
-DCT dct = new DCT()
- .setInputCol("features")
- .setOutputCol("featuresDCT")
- .setInverse(false);
-DataFrame dctDf = dct.transform(df);
-dctDf.select("featuresDCT").show(3);
-{% endhighlight %}
+{% include_example java/org/apache/spark/examples/ml/JavaDCTExample.java
%}}
--- End diff --
Please remove the extra `}` at the end.
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