[SPARK-7115] Do not output 1 in PolynomialExpansion

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: ML
• Target Version/s: 1.4.0
• Assignee: Xiangrui Meng
• Reporter: Xiangrui Meng
• Created: 24/Apr/15 07:42
• Updated: 24/Apr/15 15:28
• Resolved: 24/Apr/15 15:28

Description

1 is included in the output in the current implementation. We should skip the first element in the expansion.

Issue Links

• relates to: SPARK-5894 Add PolynomialExpansion
• links to: [Github] Pull Request #5681 (mengxr)