Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/8225#discussion_r37247874
--- Diff: docs/mllib-isotonic-regression.md ---
@@ -160,4 +160,40 @@ model.save(sc.sc(), "myModelPath");
IsotonicRegressionModel sameModel = IsotonicRegressionModel.load(sc.sc(),
"myModelPath");
{% endhighlight %}
</div>
+
+<div data-lang="python" markdown="1">
+Data are read from a file where each line has a format label,feature
+i.e. 4710.28,500.00. The data are split to training and testing set.
+Model is created using the training set and a mean squared error is
calculated from the predicted
+labels and real labels in the test set.
+
+{% highlight python %}
+import math
+from pyspark.mllib.regression import IsotonicRegression
+from pyspark.mllib.regression import IsotonicRegressionModel
--- End diff --
`from pyspark.mllib.regression import IsotonicRegression,
IsotonicRegressionModel`
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