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https://issues.apache.org/jira/browse/SPARK-15892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-15892:
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Assignee: Hyukjin Kwon (was: Apache Spark)
> Incorrectly merged AFTAggregator with zero total count
> ------------------------------------------------------
>
> Key: SPARK-15892
> URL: https://issues.apache.org/jira/browse/SPARK-15892
> Project: Spark
> Issue Type: Bug
> Components: Examples, ML, PySpark
> Affects Versions: 1.6.1, 2.0.0
> Reporter: Joseph K. Bradley
> Assignee: Hyukjin Kwon
> Fix For: 2.0.0
>
>
> 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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