12/14 Discussion

Photo by Art Litvinau / Unsplash

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Result

 Model   R^2   MAE   MSE   RMSE   Training Time (s)   Decision Tree                     0.89                    4.26            306,947.09                554.03                    1.10  Random Forest                     0.76                    5.76            636,324.30                797.70                  60.40  XGBoost                     0.57                  26.51         1,163,049.70             1,078.45                    3.39  LightGBM                     0.67                    8.18            897,114.75                947.16                    1.64

Result with Brand(Dummy)

 Model   R^2   MAE   MSE   RMSE   Training Time (s)   Decision Tree                    0.76                   6.03                   646,042.75               803.77                   2.03  Random Forest                    0.76                   5.78                   643,477.20               802.17                 68.86  XGBoost                    0.54                 26.33                1,221,265.33            1,105.11                 13.98  LightGBM                    0.66                   8.18                   900,920.02               949.17                   2.55

Result with Brand

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Random Forest + Brand Dummy