Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/6498#discussion_r31385428
--- Diff: docs/mllib-isotonic-regression.md ---
@@ -88,6 +88,10 @@ val predictionAndLabel = test.map { point =>
// Calculate mean squared error between predicted and real labels.
val meanSquaredError = predictionAndLabel.map{case(p, l) => math.pow((p -
l), 2)}.mean()
println("Mean Squared Error = " + meanSquaredError)
+
+// Save and load model
+model.save(sc, "myModelPath")
+val sameModel = IsotonicRegressionModel.load(sc, "myModelPath")
--- End diff --
import IsotonicRegressionModel
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