Question

我的数据框如下所示：

    Year    Scenario    Type_1  US  China   India   France  Type_2  US  India Germany
0   2010    A           Type_1  100   101    102     100    Type_2  50   51   52
1   2011    A           Type_1  102   103    104     102    Type_2  52   53   54
2   2010    B           Type_1  99    100    101     99     Type_2  49   50   51
3   2011    B           Type_1  101   102    103     101    Type_2  51   52   53

我想将列转换为变量。是否有可能使数据框如下所示？

    Year    Scenario    Type    Country Value
0   2010    A           Type_1  US      100
1   2010    A           Type_1  China   101
2   2010    A           Type_1  India   102
3   2010    A           Type_1  France  100
4   2011    A           Type_1  US      102
5   2011    A           Type_1  China   103
6   2011    A           Type_1  India   104
7   2011    A           Type_1  France  102
8   2010    B           Type_1  US       99
9   2010    B           Type_1  China   100
10  2010    B           Type_1  India   101
11  2010    B           Type_1  France  99
12  2011    B           Type_1  US      101
13  2011    B           Type_1  China   102
14  2011    B           Type_1  India   103
15  2011    B           Type_1  France  101
16  2010    A           Type_2  US      50
17  2010    A           Type_2  India   51
18  2010    A           Type_2  Germany 52
19  2011    A           Type_2  US      52
20  2011    A           Type_2  India   53
21  2011    A           Type_2  Germany 54
22  2010    B           Type_2  US      49
23  2010    B           Type_2  India   50
24  2010    B           Type_2  Germany 51
25  2011    B           Type_2  US      51
26  2011    B           Type_2  India   52
27  2011    B           Type_2  Germany 53

Answer 1

一个棘手的问题，因为您的名称在各列中重复。

default_avatar = forms.ChoiceField()

熊猫将多列重塑为一列，将列转换为变量

1 个答案: