关于Pandas pivot方法的文档,我们有:
Examples
--------
>>> df
foo bar baz
0 one A 1.
1 one B 2.
2 one C 3.
3 two A 4.
4 two B 5.
5 two C 6.
>>> df.pivot('foo', 'bar', 'baz')
A B C
one 1 2 3
two 4 5 6
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我DataFrame的结构如下:
name id x
----------------------
0 john 1 0
1 john 2 0
2 mike 1 1
3 mike 2 0
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我想要这样的东西:
1 2 # (this is the id …Run Code Online (Sandbox Code Playgroud)