[jira] [Created] (SPARK-15892) aft_survival_regression.py example fails in branch-2.0

["Joseph K. Bradley (JIRA)" <ji...@apache.org>]

Joseph K. Bradley created SPARK-15892:
-----------------------------------------

             Summary: aft_survival_regression.py example fails in branch-2.0
                 Key: SPARK-15892
                 URL: https://issues.apache.org/jira/browse/SPARK-15892
             Project: Spark
          Issue Type: Bug
          Components: Examples, ML, PySpark
    Affects Versions: 2.0.0
            Reporter: Joseph K. Bradley


Running the example (after the fix in [https://github.com/apache/spark/pull/13393]) causes this failure:

{code}
Traceback (most recent call last):                                              
  File "/Users/josephkb/spark/examples/src/main/python/ml/aft_survival_regression.py", line 49, in <module>
    model = aft.fit(training)
  File "/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/ml/base.py", line 64, in fit
  File "/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/ml/wrapper.py", line 213, in _fit
  File "/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/ml/wrapper.py", line 210, in _fit_java
  File "/Users/josephkb/spark/python/lib/py4j-0.10.1-src.zip/py4j/java_gateway.py", line 933, in __call__
  File "/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/sql/utils.py", line 79, in deco
pyspark.sql.utils.IllegalArgumentException: u'requirement failed: The number of instances should be greater than 0.0, but got 0.'
{code}




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