[SPARK-2309] Generalize the binary logistic regression into multinomial logistic regression

• Type: New Feature
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 1.3.0
• Component/s: MLlib
• Target Version/s: 1.3.0
• Assignee: DB Tsai
• Reporter: DB Tsai
• Created: 27/Jun/14 20:29
• Updated: 21/Jan/16 14:10
• Resolved: 02/Feb/15 23:59

Description

Currently, there is no multi-class classifier in mllib. Logistic regression can be extended to multinomial one straightforwardly.

The following formula will be implemented.
http://www.slideshare.net/dbtsai/2014-0620-mlor-36132297/25

Issue Links

• is duplicated by: SPARK-1014 MultilogisticRegressionWithSGD
• links to: [Github] Pull Request #1379 (dbtsai)
• links to: [Github] Pull Request #3833 (dbtsai)