Update utils.py

luwill · web-flow · commit 25323b4eee3c · 2021-06-27T21:40:29.000+08:00
diff --git a/charpter12_XGBoost/utils.py b/charpter12_XGBoost/utils.py
@@ -13,7 +13,6 @@ def feature_split(X, feature_i, threshold):
 
     return np.array([X_left, X_right])
 
-
 ### 计算基尼指数
 def calculate_gini(y):
     y = y.tolist()
