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I have a class-imbalance in data.
A - 59%
B - 33%
C and D each 4%
I want to use these as target classes and convert this into two-class problem and classify as A or not A (will have B, C, D)
I tried using " manually edit the mapping" on the target tab in model design. I assigned 1 to A and 0 to B,C,D.
However this does not work. It continues to give error as
You can accomplish this type of data preparation for modelling from within the AutoML Lab which eliminates the need for an additional recipe/output dataset. Navigate to the Script Tab along the top bar and then use a 'Find and Replace' processor to map A = 1, and B,C,D = 0.
Hope that helps,