Merge sparse categories

I need to be able to merge sparse categories, i.e. combine categories with small number of observations (or target event). This is like a recategorization, reclassification or string replacement function. But the whole process may be done in one node, as it is possible in other software products.
Any suggestions?

Hi @deicide_bg,

can you provide some example data? I.e., assuming with sparse your mean two columns with sometimes missing values, the column merger combines both based on which value is not missing.

Depending on the desired outcome Column Combiner concats strings. All depends on your data and the desired outcome.



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