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ocr_text: RJ RD-Agent Playground Start + Pick a scenario ~ Summary\nResearch Development Feedback\n© 01 Loop Deduction ~~ Model Tasks\nEnsemble ~\n© wim ones\nImplementing a hybrid ensemble strategy combining both stacking and\nLightGBM) wil improve RMSE performance. Implement a hybrid ensemble strategy that combines both stacking and\nblending of the top-performing models (CatBoost, XGBoost, and\n© 04 Loop Component LightGBM) for tai fae prediction. This involves the following steps: 1.\nf— Collect validation predictions and test predictions from CatBoost, XGBoost,\n© 05 oop and LightGBM models. 2 Use these predictions as input features for the\nReason meta-model in the stacking ensemble. 3. Train a meta-model (eg. a simple\nnear regression or a more sophisticated mode ike a neural network) on\n© 06 Loop Based on the previous experiments and their outcomes, the Ensemble the validation predictions and actual fare amounts. 4. Use the trained\ncomponent has shown the most promise in improving RMSE performance. meta-model to make final predictions on the test set. 5. Blend the meta-\nWhile individual advanced models ike CatBoost XGBoost, and LghtGEM model’ predictions with the orginal base models’ predictions using\nmethods have not ful leveraged the strengths of these models. The abgorithms 1 find the bes weights. & Evaluate the hybrid ensemble\n® 08 Loon foiled experiments with Feature Engineering suggest complexities that performance on the vaidation set and adjust the meta-model or weighs i\nmake it a less promising area for immediate improvement. Both stacking necessary. 7. Output the final hybrid ensemble prediction for the test set.\nand blending ensembles were explored but did not yield significant Ensure all models’ predictions have consistent shapes and dimensions.\nimprovements, indicating a need for further refinement n the Ensemble Handle empty o invalid inputs gracefully with errr messages. Store resus\nav component. Focusing on the Ensemble component, particularly by in'scores.csv, ensuring the ‘ensemble’ score is explicitly recorded.
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