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add R2 evaluation for linear_regression

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it will help to know the regression presicison
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Jack Huang
2018-08-21 14:26:39 +08:00
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parent 957fcc6853
commit 8ca35c677f
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Code/Day 3_Multiple_Linear_Regression.py
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@ -29,3 +29,6 @@ regressor.fit(X_train, Y_train)
# Predicting the Test set results # Predicting the Test set results
y_pred = regressor.predict(X_test) y_pred = regressor.predict(X_test)
# regression evaluation
from sklearn.metrics import r2_score
print(r2_score(Y_test,y_pred))