What is the best single model score you got?
How easy it is to get RMSE < 12?
Anyway, with a very deep Feature Engineering to the best of my knowledge, i got best single model of RMSE score = 9.288 with CatBoostRegressor.
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Anyway, with a very deep Feature Engineering to the best of my knowledge, i got best single model of RMSE score = 9.288 with CatBoostRegressor.