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High Cardinal Categorical Variable(>10000) Processing Issue #708

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zhangpengshan opened this issue May 6, 2020 · 1 comment

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zhangpengshan commented May 6, 2020

Currently if categorical variable with categories > 10000, stats step such variable would be missed as no stats result.

Such behavior should be changed to like:

Keep randomly 10000 categories at most and leave others to empty category;
Keep top 10000 categories with roughly count per category.

Contributor Author

zhangpengshan commented Jul 15, 2020

How to leverage hash to enable multi cardinal categories?? May be a idea.

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