Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/5221#discussion_r159647947
--- Diff: docs/dev/batch/index.md ---
@@ -571,7 +571,7 @@ data.reduceGroup { elements => elements.sum }
data set.</p>
{% highlight scala %}
val input: DataSet[(Int, String, Double)] = // [...]
-val output: DataSet[(Int, String, Doublr)] = input.aggregate(SUM,
0).aggregate(MIN, 2);
+val output: DataSet[(Int, String, Doublr)] = input.aggregate(SUM,
0).aggregate(MIN, 2)
--- End diff --
`Doublr` -> `Double`
---
