Model Evaluation
Overfitting
what is overfitting?
什么情况出现overfitting?
bias/variance/error/model error
Model Error
what is model error?
How to solve the overfitting problem?
Regularization
Ridge Regression: L2 penalty in loss function
LASSO: L1 penalty in loss function
Hyperparameter Optimization
一些调参数的过程的思考
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