[SPARK-14916] A more friendly tostring for FreqItemset in mllib.fpm

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: MLlib
• Assignee: yuhao yang
• Reporter: yuhao yang
• Created: 26/Apr/16 09:11
• Updated: 28/Apr/16 18:52
• Resolved: 28/Apr/16 18:52

Description

FreqItemset as the result of FPGrowth should have a more friendly toString(), to help users and developers.

sample:

{a, b}: 5
{x, y, z}: 4

Issue Links

• links to: [Github] Pull Request #12698 (hhbyyh)