Github user yinxusen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9735#discussion_r44925725
--- Diff: docs/ml-features.md ---
@@ -37,7 +37,7 @@ In the following code segment, we start with a set of
sentences. We split each
Refer to the [HashingTF Scala
docs](api/scala/index.html#org.apache.spark.ml.feature.HashingTF) and
the [IDF Scala docs](api/scala/index.html#org.apache.spark.ml.feature.IDF)
for more details on the API.
-{% include_example scala/org/apache/spark/examples/ml/TfIdfExample.scala %}
--- End diff --
There is no need to change `TfIdfExample` to `HashingTF`. You can treat
examples in the section [`Feature
Extractors`](http://spark.apache.org/docs/latest/ml-features.html#feature-extractors)
as examples, since `TF-IDF`, `Word2Vec`, and `CountVectorizer` have already
been written with `include_example`.
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