@facebook_user_4 wrote:
Hi everyone,
I have been facing this problem since I have started participating in machine learning competitions on Kaggle and AnalyticsVidhya. I don't know what is the proper way to dealing with the categories which are present in train but not in test for any categorical feature in data. So I am asking simple question here because I want to know about the strategies people follow while they face such problem. Is there any specific research paper published which cover such problem.
Regards,
Ankit Gupta
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