Update Day2_Simple_Linear_Regression.md

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wengJJ
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# Simple Linear Regression # 简单线性回归模型
<p align="center"> <p align="center">
@ -20,7 +20,7 @@ from sklearn.cross_validation import train_test_split
X_train, X_test, Y_train, Y_test = train_test_split( X, Y, test_size = 1/4, random_state = 0) X_train, X_test, Y_train, Y_test = train_test_split( X, Y, test_size = 1/4, random_state = 0)
``` ```
# 第二步:训练集使用简单线性模型来训练 # 第二步:训练集使用简单线性回归模型来训练
```python ```python
from sklearn.linear_model import LinearRegression from sklearn.linear_model import LinearRegression
regressor = LinearRegression() regressor = LinearRegression()