Joseph K. Bradley created SPARK-15892:
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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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