我正在尝试重塑数据帧:
目前它看起来像这样:
ID | Gender |A1 | A2 | A3 | B1 | B2 | B3
ID_1 | m | 3 | 3 | 3 | 2 | 3 | 2
ID_2 | f | 1 | 1 | 1 | 4 | 4 | 4
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我希望有类似的东西:
ID | Gender | A1 | A2 | A3
ID_1 | m | 3 | 3 | 3 <- this would be columns A1 - A3 for ID 1
ID_1 | m | …Run Code Online (Sandbox Code Playgroud)