https://www.kaggle.com/c/house-prices-advanced-regression-techniques
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version1 (0.11709, top 20%) :
- remove outliers, remove redundant features, log transform y, impute missing values, encode categorical features, construct extra features
- Ridge+Lasso+ElasticNet+KernelRidge+RandomForestRegressor+GradientBoostingRegressor+XGBRegressor+LGBMRegressor+Stacking(Ridge)
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version2 (0.11670, top 20%) :
- remove outliers, remove redundant features, log transform y, impute missing values, encode categorical features, encode ordinal features, remove skewed features, construct extra features
- Ridge+Lasso+ElasticNet+KernelRidge+RandomForestRegressor+GradientBoostingRegressor+XGBRegressor+LGBMRegressor+Stacking(Ridge)