commit c15aa6b17a1262573cfc89e290d5179c5f914585
Author: 林林 <6969846@qq.com>
Date:   Wed Mar 12 17:26:04 2025 +0800

    第一次推送代码

diff --git a/Preliminary knowledge/Data_Operation.py b/Preliminary knowledge/Data_Operation.py
new file mode 100644
index 0000000..96a340f
--- /dev/null
+++ b/Preliminary knowledge/Data_Operation.py	
@@ -0,0 +1,27 @@
+import torch
+
+# 张量
+import os
+
+os.makedirs(os.path.join('..', 'data'), exist_ok=True)
+data_file = os.path.join('..', 'data', 'house_tiny.csv')
+with open(data_file, 'w') as f:
+    f.write('NumRooms,Alley,Price\n')  # 列名
+    f.write('NA,Pave,127500\n')  # 每行表示一个数据样本
+    f.write('2,NA,106000\n')
+    f.write('4,NA,178100\n')
+    f.write('NA,NA,140000\n')
+
+import pandas as pd
+
+data = pd.read_csv(data_file)
+
+
+inputs, outputs = data.iloc[:, 0:1], data.iloc[:, 2]
+inputs = inputs.fillna(inputs.mean())
+
+mid = data.iloc[:, 1:2]
+
+mid = pd.get_dummies(mid, dummy_na=True)
+
+print(mid)
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