更新 function.py
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This commit is contained in:
2024-11-14 16:50:34 +08:00
parent de1f52e5a6
commit 62cb791ce3
+19 -7
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@@ -86,18 +86,30 @@ def load_data(filepath):
- np.array: 标签数据。
"""
data = []
labels = []
with open(filepath, 'r') as file:
for line in file:
# 将 "?" 替换为 "0",然后将整行数据转换为浮点数
line = line.strip().replace("?", "0")
data.append([float(x) for x in line.split()])
values = line.strip().split()
# 将缺失值用0填充,并将所有数据转换为浮点数
features = [float(v) if v != '?' else 0.0 for v in values[:-1]]
label = values[-1] # 假设最后一列是标签列
data = np.array(data)
X = data[:, :-1] # 所有列,除最后一列
y = data[:, -1] # 最后一列
y = np.where(y == 1, 1, -1) # 将标签转换为 +1 和 -1
# 根据标签值进行三分类的标签转换
if label == '1':
labels.append(0) # 存活
elif label == '2':
labels.append(1) # 死亡
elif label == '3':
labels.append(2) # 安乐死
data.append(features)
X = np.array(data)
y = np.array(labels)
return X, y
if __name__ == "__main__":
# 以下代码可用于测试,可自行随意修改
# 加载训练集