Sean Owen aec0869fb2 [SPARK-27896][ML] Fix definition of clustering silhouette coefficient for 1-element clusters ... ## What changes were proposed in this pull request? Single-point clusters should have silhouette score of 0, according to the original paper and scikit implementation. ## How was this patch tested? Existing test suite + new test case. Closes #24756 from srowen/SPARK-27896. Authored-by: Sean Owen <sean.owen@databricks.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>		2019-05-31 16:27:20 -07:00
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benchmarks	[SPARK-25489][ML][TEST] Refactor UDTSerializationBenchmark	2018-09-23 13:34:06 -07:00
src	[SPARK-27896][ML] Fix definition of clustering silhouette coefficient for 1-element clusters	2019-05-31 16:27:20 -07:00
pom.xml	[SPARK-26986][ML] Add JAXB reference impl to build for Java 9+	2019-02-26 18:26:49 -06:00