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Dummy Encoding in Rapidminer

Adi1215Adi1215 Member Posts: 3 Newbie

Hi, I am new to Rapidminer and building my first predictive model. While working on the feature engineering part I used dummy encoding on one of the categorical columns, it gave me columns based on the number of categories present in that column. Ideally, it should give n-1 column else multicollinearity will increase as per my understanding. Any trick to get rid off from this issue. Do I need to manually delete one of the generated columns after applying dummy encoding? 

Guys, please share your thoughts. 

Regards,

Best Answer

Answers

  • Adi1215Adi1215 Member Posts: 3 Newbie
    Thanks for this. I'll try this out and let you know.
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