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category composed of multiple simpler categories

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Mahmoud Elbeltagy
Mahmoud Elbeltagy 2020-8-19
评论： dpb 2020-8-19
let's say I have a categorical array containing {a,b,c,a+c,a+b,...} and so on. one can see that only three categories exist whcih are {a,b,c}, but when I convert the array containing strings indicating the existing categories, each element of the set {a+c,a+b,c+b,...} becomes a category itself. I can solve this by building a function that returns the existing (simple,basic) categories, but I think this can be solved by a built function the operates on catergorical arrays directly.
Any advice?
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Mahmoud Elbeltagy
Mahmoud Elbeltagy 2020-8-19
Thank you!, the purpose of my question was to see of there is a way to deal with this situation while the variable class is categorical.
dpb
dpb 2020-8-19
Well, it's not at all clear what "deal with this situation" means.

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