更新 function.py
Gitea Actions Experiment Test / Experiment-Actions (push) Successful in 46s

This commit is contained in:
2024-11-03 04:39:55 +08:00
parent 5f193bf459
commit 3a1b0746a2
+18 -2
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@@ -17,6 +17,7 @@ id = "202210423208"
name = "刘义天" name = "刘义天"
# 加载数据并添加非线性特征 # 加载数据并添加非线性特征
def load_data(filepath): def load_data(filepath):
""" """
@@ -96,6 +97,22 @@ def train_decision_tree(X, y):
return clf return clf
# 对率回归预测函数
def predict_logreg(inX, weights):
"""
对率回归预测函数。
Args:
- inX (numpy array): 输入待分类的样本。
- weights (numpy array): 训练得到的权重。
Returns:
- int: 预测的分类标签。
"""
probability = 1 / (1 + np.exp(-np.dot(inX, weights)))
return 1 if probability >= 0.4 else 0
# 融合预测函数 # 融合预测函数
def predict_fusion(inX, weights, clf): def predict_fusion(inX, weights, clf):
""" """
@@ -110,8 +127,7 @@ def predict_fusion(inX, weights, clf):
- int: 最终预测的分类标签。 - int: 最终预测的分类标签。
""" """
# 对率回归预测 # 对率回归预测
probability_logreg = 1 / (1 + np.exp(-np.dot(inX, weights))) prediction_logreg = predict_logreg(inX, weights)
prediction_logreg = 1 if probability_logreg >= 0.4 else 0
# 决策树预测 # 决策树预测
prediction_tree = clf.predict(inX.reshape(1, -1))[0] prediction_tree = clf.predict(inX.reshape(1, -1))[0]