[SPARK-29942] Impl Complement Naive Bayes Classifier

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: ML
• Assignee: zhengruifeng
• Reporter: zhengruifeng
• Created: 18/Nov/19 11:03
• Updated: 21/Nov/19 10:24
• Resolved: 21/Nov/19 10:22

Description

1, it is said in scikit-learn 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.

Issue Links

• links to: GitHub Pull Request #26575