generated from LufsX/Experiment-LogReg
This commit is contained in:
+2
-2
@@ -78,7 +78,7 @@ def train_logreg(X, y, learning_rate=0.01, num_iterations=1000, regularization_s
|
||||
return weights
|
||||
|
||||
|
||||
# 对率回归预测函数
|
||||
# 使用 0.4 阈值的对率回归预测函数
|
||||
def predict_logreg(inX, weights):
|
||||
"""
|
||||
对率回归预测函数。
|
||||
@@ -91,7 +91,7 @@ def predict_logreg(inX, weights):
|
||||
- int: 预测的分类标签。
|
||||
"""
|
||||
probability = 1 / (1 + np.exp(-np.dot(inX, weights)))
|
||||
return 1 if probability >= 0.5 else 0
|
||||
return 1 if probability >= 0.4 else 0
|
||||
|
||||
if __name__ == "__main__":
|
||||
# 以下代码可用于测试,可自行随意修改
|
||||
|
||||
Reference in New Issue
Block a user