zhengruifeng created SPARK-29942:
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Summary: Impl Complement Naive Bayes Classifier
Key: SPARK-29942
URL: https://issues.apache.org/jira/browse/SPARK-29942
Project: Spark
Issue Type: Improvement
Components: ML
Affects Versions: 3.0.0
Reporter: zhengruifeng
1, it is said in
[scikit-learn|https://scikit-learn.org/stable/modules/naive_bayes.html#complement-naive-bayes]
that 'CNB regularly outperforms MNB (often by a considerable margin) on text
classification tasks.'
2, the training part of CNB is highly similar to existing MNB, so it is a easy
win to support CNB.
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