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How to convert ratings (1 to 10) to 3 classes (negative, neutral, positive)

AmikaAmika Member Posts: 5 Learner I
in Help
I would like to convert ratings (1 to 10) to three disjoint classes representing the polarity of sentiment review (negative, neutral, positive). Is there any function in Rapidminor allows me to do so?
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Best Answer

  • ceaperezceaperez Member Posts: 541 Unicorn
    edited April 2021 Solution Accepted
    Hi @Amika, 

    You can use the Generate Attributes operator nd implement an anidated conditional with your rating Attribute (colum), something like this. 
    if(yourratingattribute<=3,"Negative", if((yourratingattribute>3&&yourratingattribute<=7),"Neutral", "Positive"))

    Best. 

Answers

  • Telcontar120Telcontar120 RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,635 Unicorn
    You can also use the Map operator to do this if the original attribute is nominal and not numerical data type. 
    Brian T.
    Lindon Ventures 
    Data Science Consulting from Certified RapidMiner Experts
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