[Interview experience & eight-part essay] Search and promotion direction: common interview questions (1)
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- [Interview experience & eight-part essay] Search and promotion direction: common interview questions (1)
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- 1. The offline effect is improved, but the online effect is not good.
- 2. What are XGBoost and GBDT? What's the difference?
- 3. Bias and variance. Extend knowledge (three methods of integrated learning: Bagging, Boosting, Stacking).
- 4. What is Random Forest?
- 5. What are the common ways to accelerate Word2Vec training?
- 6. What is LightGBM?
- 7. AdaBoost idea?
- 8. How to optimize the loss function if it cannot be differentiated?
- 9. How to set evaluation indicators in the recall model?
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