Random forest to identify importance of features?

Fred12
Fred12 New Altair Community Member
edited November 2024 in Community Q&A

hi,

Is there any way to use random forest operator to get an importance of features ranking?

 

it could keep track which of their decision trees and subset of features gives best performance on the testing data (out-of-bag-data) and print them out, I know there is a similar implementation of it in R...

Tagged:

Best Answer

  • MartinLiebig
    MartinLiebig
    Altair Employee
    Answer ✓

    Hi,

     

    just have a look at Weight by Tree Importance.

     

    ~Martin

Answers

  • MartinLiebig
    MartinLiebig
    Altair Employee
    Answer ✓

    Hi,

     

    just have a look at Weight by Tree Importance.

     

    ~Martin

  • Fred12
    Fred12 New Altair Community Member

    ok thanks, 

    its just really confusing that you have to piece together everything from singular operators in RapidMiner, altough it could be implemented together in the other random forest operator ;)

    quite confusing if you don't know all the operators in Rapidminer in the beginnning...

  • MartinLiebig
    MartinLiebig
    Altair Employee

    I agree it would be better if the rf simply also returns the weight vector directly. Not sure why it is not like this

Categories