[HIVEMALL-162] Support `l1_normalize` for feature vector

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Implemented
• Fix Version/s: 0.5.0
• Assignee: Takuya Kitazawa
• Reporter: Takuya Kitazawa
• Created: 13/Dec/17 08:25
• Updated: 19/Dec/17 08:16
• Resolved: 18/Dec/17 07:31

Description

Similarly to l2_normalize UDF, we can support L1 normalization, even though it can be achieved by standard HiveQL syntax (i.e.,
something like col / sum(col)).

Issue Links

• links to: GitHub Pull Request #126