[MAHOUT-954] "Unpredictable" have to be represented by NaN on DF.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8
• Labels: DecisionForest Regression
• Assignee: Sean R. Owen
• Reporter: Ikumasa Mukai
• Created: 24/Jan/12 13:00
• Updated: 31/Jan/24 22:12
• Resolved: 22/Jun/12 10:42

Description

On our RandomForest src, we uses "-1" for representing "Unpredictable",
but for regression problem, there is a case which outputs "-1" for the correct result.

For resolving this problem, we should change the unpredictable flag to "NaN" from "-1".

Issue Links

• is related to: MAHOUT-840 Decision Forests should support Regression problems