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Data preprocessing is a data mining technique that involves transforming raw data into a better understandable or more useful format.

4 votes
2 answers
457 views

How to choose best classifier for Low positive to negative class ratio in data (training, va...

Positive class is ~4%. The class weight methods will not work as even if I balance the data while training by scaling positive class samples, in real time (or in test data), the distribution is expect …
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