###### tags: `課程共筆`

# Overfitting & Solutions

### What Is Overfitting?

### Weight Regularization for L1 and L2

### L1(Lasso) with Feature Extraction
> Hint
> 

### summary
- Linear Regression解絕連續值的預測問題
- Feature Transform增加模型複雜度
- L1, L2 Regularization控制模型複雜度(Lasso, Ridge)