假设我有一个DataFrame:
term score
0 this 0
1 that 1
2 the other 3
3 something 2
4 anything 1
5 the other 2
6 that 2
7 this 0
8 something 1
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我如何通过score列中的唯一值来计算term列中的实例?产生如下结果:
term score 0 score 1 score 2 score 3
0 this 2 0 0 0
1 that 0 1 1 0
2 the other 0 0 1 1
3 something 0 1 1 0
4 anything 0 1 0 0
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