Github user selvinsource commented on the pull request: https://github.com/apache/spark/pull/7842#issuecomment-137925061 Also, did you verify the evaluation is correct by running java -jar target/spark-pmml-exporter-validator-1.1.0-SNAPSHOT-jar-with-dependencies.jar DecisionTreeClassificationModel? In my opinion, **this is the most important test to ensure the exported model is correct**. You should get Class 0 for the first item and Class 1 for the second as the scala code (https://github.com/selvinsource/spark-pmml-exporter-validator/blob/decision_trees_validator/src/main/resources/spark_shell_exporter/decisiontree_breastcancerwisconsin.scala).
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