a = pd.pivot_table(sum_week, index='DATA_DATE', columns='CONS_NO') differ = a.diff(1)优化这两行代码
时间: 2023-12-09 15:06:39 浏览: 79
可以将这两行代码合并成一行,如下所示:
```python
differ = sum_week.pivot(index='DATA_DATE', columns='CONS_NO').diff(1)
```
这样可以避免显式地创建 `pivot_table` 对象,并直接对其应用 `diff` 函数。
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