Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/16715#discussion_r101418597
--- Diff:
examples/src/main/java/org/apache/spark/examples/ml/JavaBucketedRandomProjectionLSHExample.java
---
@@ -35,8 +35,15 @@
import org.apache.spark.sql.types.Metadata;
import org.apache.spark.sql.types.StructField;
import org.apache.spark.sql.types.StructType;
+
+import static org.apache.spark.sql.functions.col;
// $example off$
+/**
+ * An example demonstrating BucketedRandomProjectionLSH.
+ * Run with:
+ * bin/run-example
org.apache.spark.examples.ml.JavaBucketedRandomProjectionLSHExample
--- End diff --
Actually we can simplify it as ```bin/run-example
ml.JavaBucketedRandomProjectionLSHExample```, but it's ok to leave as it is.
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