Peter Rudenko created SPARK-6901:
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Summary: ParamGridBuilder.build with no grids should return an
empty array
Key: SPARK-6901
URL: https://issues.apache.org/jira/browse/SPARK-6901
Project: Spark
Issue Type: Bug
Components: ML
Affects Versions: 1.3.0
Reporter: Peter Rudenko
Priority: Minor
Fix For: 1.4.0
ParamGridBuilder.build with no grids returns array with an empty param map.
{code}
(new ParamGridBuilder).build().size == 1
{code}
I have a logic if ParamGridBuilder is empty - then not use CrossValidator.
Currently have to compare with 1 which is not very obvious. Better would be:
{code}
(new ParamGridBuilder).build().isEmpty
{code}
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