🦉 🎤   RapidMiner Wisdom 2020 - CALL FOR SPEAKERS   🦉 🎤

We are inviting all community members to submit proposals to speak at Wisdom 2020 in Boston.


Whether it's a cool RapidMiner trick or a use case implementation, we want to see what you have.
Form link is below and deadline for submissions is November 15. See you in Boston!

CLICK HERE TO GO TO ENTRY FORM

"Feature selection to improve accuracy."

hammadalam89hammadalam89 Member Posts: 8 Contributor I
edited June 12 in Help
Hi,
I am doing sentiment analysis on news articles. But when I train my data, I am unable to get accuracy more than 64% by using SVM algorithm. For that improvement, I must have to focus on Feature Selection.

What are that features which are present in Rapidminer6 for feature selection ? What can I do for that ?

Answers

  • hammadalam89hammadalam89 Member Posts: 8 Contributor I
    I think this forum is dead  :-\
  • awchisholmawchisholm RapidMiner Certified Expert, Member Posts: 458   Unicorn
    Perhaps not dead - just sleeping

    There are various operators in the group Data Transformation->Attribute Set Reduction and Transformation->Selection->Optimization

    Optimize Selection does a forward or backward selection and Optimize Selection (Evolutionary) uses a genetic algorithm approach.

    regards

    Andrew
Sign In or Register to comment.