madlib/madlib — pull request #123 by renyi533 (2012-03-07 07:44:40+00:00)
Title: fix madlib-434

Currently, the decision tree algorithm returns the result table of {Id, Class, Possibility}. For the column of 'Class', it contains the encoded information.

From the point of end users, the 'Class' column should contain information before encoding.

This pull request fix this issue.