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Update Day 34_Random_Forests.md

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wengJJ
2018-09-06 22:17:47 +08:00
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@ -18,7 +18,7 @@ y = dataset.iloc[:, 4].values
``` ```
## 将数据集拆分成训练集和测试集 ## 将数据集拆分成训练集和测试集
```python ```python
from sklearn.cross_validation import train_test_split from sklearn.model_selection import train_test_split
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size = 0.25, random_state = 0) X_train, X_test, y_train, y_test = train_test_split(X, y, test_size = 0.25, random_state = 0)
``` ```
## 特征缩放 ## 特征缩放