更新 function.py

function.py

@@ -91,22 +91,23 @@ def load_data(filepath):
     - directory (str): 数据文件路径。
 
     Returns:
-    - Tuple[np.array, np.array]: 特征数据和标签数据。
+    - np.array: 特征数据。
+    - np.array: 标签数据。
     """
     data = []
     with open(filepath, 'r') as f:
         for line in f:
             row = []
             values = line.strip().split()
-            if '?' in values:
-                continue  # Ignore lines with missing data
             for value in values:
+                try:
                     row.append(float(value))
+                except ValueError:
+                    row.append(-1)
             data.append(row)
     np_data = np.array(data)
     X = np_data[:, :-1]
     y = np_data[:, -1]
-    y = np.array([0 if label == 1 else (1 if label == 2 else -1) for label in y])
     return X, y
 
 if __name__ == "__main__":