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https://issues.apache.org/jira/browse/SPARK-20444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-20444.
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Resolution: Duplicate
> pyspark.sql.utils.IllegalArgumentException: u'DecisionTreeClassifier was
> given input with invalid label column label, without the number of classes
> specified. See StringIndexer
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-20444
> URL: https://issues.apache.org/jira/browse/SPARK-20444
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 1.6.1
> Reporter: surya pratap
>
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