Merging categories in a polynomial

scott_reevesscott_reeves Member Posts: 4 Contributor I
edited February 2020 in Help

I am working with a dataset that involves aviation data which is reported by phase of flight.  I sometimes need to convert a dozen possible phases of flight into only 2, climbing and descending.  How do I look at the phase of flight, compare it to a list that shows which are climbing and which are descending and then create a new attribute that is binomial and either climbing or descending?  I know there has to be an operator that will do this but I am striking out in finding it.





  • MartinLiebigMartinLiebig Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,505 RM Data Scientist



    Replace (Dictionary) is the way to go.




    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
  • scott_reevesscott_reeves Member Posts: 4 Contributor I

    Replace (Dictionary) didn't seem to make sense to me but while researching that I came across the Map operator and that worked perfectly!



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