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From iyerr3 <...@git.apache.org>
Subject [GitHub] madlib issue #231: RF: Output non-negative importance values
Date Tue, 06 Feb 2018 18:35:20 GMT
Github user iyerr3 commented on the issue:

    https://github.com/apache/madlib/pull/231
  
    This change ensures that all variable importance values are positive. The
    remaining properties remain as is: i.e. the feature with max value is most
    important and the values are not normalized.
    
    On Feb 6, 2018 9:34 AM, "Frank McQuillan" <notifications@github.com> wrote:
    
    > Does this mean, then, that all var importance values are >= 0 now, and
    > that the largest positive value corresponds to the most "important"
    > variable?
    >
    > Also, what is the range of possible values for variable performance?
    >
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