Github user thvasilo commented on the issue: https://github.com/apache/flink/pull/2740 Hello @tfournier314, I should have clarified for documentation I meant apart from the docstrings you have added now, we also have to include documentation in the Flink [docs](https://github.com/apache/flink/tree/master/docs/dev/libs/ml) for each new addition. See for example the docs for the [standard scaler](https://github.com/apache/flink/blob/master/docs/dev/libs/ml/standard_scaler.md).
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