我有一个包含许多列的数据框文件。我想规范化每一列。以下是我的数据框文件的一部分。
0 4 6 8
-0.276 4403 4403 4403
-0.138 4640 4640 4640
0 0 0 0
0.138 12 0 12
0.276 0 0 0
0.414 0 0 0
0.552 0 0 0
0.69 0 0 0
0.828 0 12 0
0.966 0 0 0
1.104 0 12 0
1.242 0 0 0
1.38 0 0 0
1.518 0 0 12
1.656 0 0 0
1.794 0 0 0
1.932 0 0 0
2.07 0 0 0
2.208 0 0 0
2.346 0 0 0
2.484 0 0 0
2.622 0 12 0
2.76 0 0 0
2.898 0 0 0
3.036 0 0 0
3.174 0 0 0
3.312 0 0 0
3.45 0 0 0
3.588 0 0 0
3.726 0 0 0
3.864 12 0 0
4.002 0 0 0
4.14 0 0 0
4.278 12 0 0
4.416 0 0 0
4.554 0 12 0
4.692 0 0 0
4.83 0 0 0
4.968 0 0 0
5.106 0 0 0
5.244 0 0 0
5.382 12 0 0
5.52 0 0 0
5.658 0 0 0
5.796 127 60 60
5.934 357 275 317
6.072 1882 2144 1838
6.21 6726 6609 7915
6.348 9398 11180 12737
6.486 12784 18389 21361
6.624 15863 20111 24469
6.762 6739 10202 11897
6.9 1684 1921 2735
7.038 249 376 476
7.176 47 103 70
7.314 0 26 82
7.452 17 0 18
7.59 0 0 0
7.728 0 0 0
7.866 0 0 0
8.004 0 0 0
8.142 0 0 18
8.28 0 0 0
8.418 0 0 0
8.556 0 0 0
8.694 0 0 0
8.832 0 0 0
8.97 0 0 0
9.108 0 0 12
9.246 0 0 0
9.384 0 0 0
9.522 0 0 0
9.66 0 0 0
9.798 0 0 0
9.936 0 0 0
10.074 0 0 0
10.212 0 0 0
10.35 0 12 0
10.488 0 0 0
10.626 0 0 0
10.764 0 0 12
10.902 0 0 0
11.04 0 0 0
11.178 0 0 0
11.316 0 0 0
11.454 0 0 0
11.592 0 0 0
11.73 0 0 0
11.868 0 0 0
12.006 0 0 0
12.144 0 0 0
12.282 0 0 0
12.42 0 0 0
12.558 0 0 0
12.696 12 0 0
12.834 0 0 0
12.972 0 0 0
13.11 0 0 0
13.248 0 0 0
13.386 12 0 0
13.524 0 0 12
13.662 0 12 0
13.8 0 0 0
13.938 0 0 0
14.076 0 0 0
14.214 0 0 0
14.352 0 0 0
14.49 0 0 0
14.628 12 0 0
14.766 0 0 0
14.904 12 0 0
15.042 0 0 0
15.18 0 0 12
15.318 0 0 0
15.456 0 0 0
15.594 0 0 0
15.732 0 0 0
15.87 0 0 0
16.008 0 0 18
16.146 0 0 0
16.284 0 0 0
16.422 0 0 0
16.56 12 0 0
16.698 0 0 0
16.836 0 0 0
16.974 0 0 0
17.112 0 0 0
17.25 0 0 0
17.388 0 0 0
17.526 0 0 0
17.664 0 12 0
17.802 0 0 0
17.94 0 0 0
18.078 0 0 0
18.216 0 0 0
18.354 0 0 0
18.492 0 0 12
18.63 12 0 0
18.768 0 0 0
18.906 0 0 0
19.044 0 0 0
19.182 0 0 0
19.32 0 0 0
19.458 0 0 0
19.596 0 0 0
19.734 0 0 0
19.872 0 0 0
20.01 0 0 0
20.148 0 12 0
20.286 12 0 0
20.424 0 12 0
20.562 0 0 0
20.7 0 0 0
20.838 0 0 0
20.976 0 0 0
21.114 0 0 0
21.252 0 0 0
21.39 0 12 0
21.528 0 0 0
21.666 0 0 0
21.804 12 0 0
21.942 0 0 0
22.08 0 0 0
22.218 0 0 0
22.356 0 0 0
22.494 0 0 0
22.632 0 0 0
22.77 0 0 0
22.908 0 0 0
23.046 0 0 0
23.184 0 0 0
23.322 0 0 0
23.46 12 0 12
23.598 0 12 0
23.736 0 0 0
23.874 0 0 0
24.012 0 0 0
24.15 0 0 0
24.288 0 0 0
24.426 0 0 0
24.564 0 0 0
24.702 0 0 0
24.84 0 0 0
24.978 0 0 0
25.116 0 0 0
25.254 0 0 0
25.392 0 0 0
25.53 0 0 12
25.668 0 0 0
25.806 12 0 0
25.944 12 0 0
26.082 0 0 0
26.22 0 0 0
26.358 0 12 0
26.496 0 0 0
26.634 0 0 0
26.772 0 0 0
26.91 0 0 0
27.048 13 0 0
27.186 0 0 12
27.324 0 0 0
27.462 0 0 13
到目前为止，我已经可以通过以下代码规范化一列（名为“ 4”）：
import pandas as pd
import numpy as np
pos_df = pd.read_csv('my_data.csv',header='infer')
column1=pos_df['4']
Norm_column1=pos_df['4']/np.max(pos_df['4'])
但是我想对所有列进行归一化。有更好的批处理吗？
谢谢！