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Decision Tree Operator - C5 or C4.5 algorithm?

cwerningcwerning image Contributor II
edited November 2018 in Help

Hello experts,

 

does RM still uses the C4.5 algorithm for his decision tree operator? I found some really old topics that say it uses the C4.5 algorithm.

 

Kind regards,

 

Christopher

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Best Answer

  • MartinLiebigMartinLiebig image RM Data Scientist
    Solution Accepted

    The shipped descion tree is actually a own implemtation. I am not sure if it follows any direct implementation, i think it is some mixture, but I am not sure.

     

    If you want to have C4.5 you may have a look on W-J48.

     

    ~Martin

     

    Edit: Just looked it up:

     * <p>
     * This operator learns decision trees from both nominal and numerical data. Decision trees are
     * powerful classification methods which often can also easily be understood. This decision tree
     * learner works similar to Quinlan's C4.5 or CART.
     * </p>
     *
     * <p>
     * The actual type of the tree is determined by the criterion, e.g. using gain_ratio or Gini for
     * CART / C4.5.
     * </p>
    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany

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