강의 복습 Sequence Modeling Tabular Approach Feature Engineering Train/Test Split Model: LGBM Sequential Approach Input Transformation Model: LSTM, LSTM+Atttention, BERT FE and Model Make ground baseline with no fe Make a small FE and see if you can understand data you have Find good CV strategy Feature selection Make deeper FE Tune Model (crude tuning) Try other Models (never forget about NN) Try B..