[MAHOUT-262] Writable for labeled vectors for supervised learning algorithms

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2
• Fix Version/s: 0.3
• Assignee: Olivier Grisel
• Reporter: Olivier Grisel
• Created: 19/Jan/10 14:04
• Updated: 31/Jan/24 22:12
• Resolved: 22/Jan/10 14:47

Description

Implement two new classes:

• SingleLabelVectorWritable for singly classified vectorized data item (one and only one label index per instance)

• MultiLabelVectorWritable for multi categorized vectorized data item (0 or more category indexes per instance)

Issue Links

• is required by: MAHOUT-228 Need sequential logistic regression implementation using SGD techniques