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From "Joseph K. Bradley (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-15510) SparkR NaiveBayes should not require label to have NominalAttribute
Date Tue, 24 May 2016 19:07:13 GMT
Joseph K. Bradley created SPARK-15510:
-----------------------------------------

             Summary: SparkR NaiveBayes should not require label to have NominalAttribute
                 Key: SPARK-15510
                 URL: https://issues.apache.org/jira/browse/SPARK-15510
             Project: Spark
          Issue Type: Improvement
          Components: ML, SparkR
            Reporter: Joseph K. Bradley


Currently, SparkR's NaiveBayes API fails if the label is numeric.  It works if the label is
a String.  This is because NaiveBayesWrapper requires that the input column be annotated with
NominalAttribute, which is created when Strings are indexed by RFormula.  We should eliminate
this restriction since it causes failures easily, such as when trying to run NB on LibSVM
datasets.



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