[MAHOUT-1052] Add an option to MinHashDriver that specifies the dimension of vector to hash (indexes or values)

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.6
• Fix Version/s: 0.8
• Component/s: classic
• Labels: minhash
• Assignee: Suneel Marthi
• Reporter: Elena Smirnova
• Created: 12/Aug/12 18:59
• Updated: 31/Jan/24 22:14
• Resolved: 04/Jun/13 03:41

Description

Add a parameter to MinHash clustering that specifies the dimension of vector to hash (indexes or values). Current version of MinHash clustering only hashed values of vectors. Based on discussion on dev-mahout list, both of the use-cases are possible and frequently met in practice.
Preserve backward compatibility with default dimension set to values. Add new unit tests.