Yanbo Liang created SPARK-17847:
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Summary: Copy GaussianMixture implementation from mllib to ml
Key: SPARK-17847
URL: https://issues.apache.org/jira/browse/SPARK-17847
Project: Spark
Issue Type: Improvement
Components: ML, MLlib
Reporter: Yanbo Liang
Copy {{GaussianMixture}} implementation from mllib to ml, then we can add new
features to it.
I left mllib {{GaussianMixture}} untouched, unlike some other algorithms to
wrap the ml implementation. For the following reasons:
* mllib {{GaussianMixture}} allow k == 1, but ml does not.
* mllib {{GaussianMixture}} supports setting initial model, but ml does not
support currently. (We will definitely add this feature for ml in the future)
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