generated from LufsX/Experiment-LogReg
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@@ -95,18 +95,4 @@ def predict_logreg(inX, weights):
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"""
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"""
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inX = np.c_[1, inX] # 添加截距项
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inX = np.c_[1, inX] # 添加截距项
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prob = sigmoid(np.dot(inX, weights))
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prob = sigmoid(np.dot(inX, weights))
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return 1 if prob > 0.5 else 0
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return 1 if prob > 0.5 else 0
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if __name__ == "__main__":
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# 加载训练集
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X_train, y_train = load_data("./data/horse-colic.data")
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# 加载测试集
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X_test, y_test = load_data("./data/horse-colic.test")
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# 训练对率回归模型
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weights = train_logreg(X_train, y_train)
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# 测试单个数据
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y_pred = predict_logreg(X_test[11], weights)
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print(f"预测结果: {y_pred}, 实际结果: {int(y_test[11])}")
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