使用python / pandas填写缺少的日期，从每周到每天

Question

我有这个数据框，我想每周重复一次，直到下周才重复

输入

Week          Netflix: (Worldwide)
2012-12-02    50
2012-12-09    51

输出

Week        Netflix: (Worldwide)
2012-12-02  50
2012-12-03  50
2012-12-04  50
2012-12-05  50
2012-12-06  50
2012-12-07  50
2012-12-08  50
2012-12-09  51

Answer 1

使用resample()：

x is _not_ an instance of some abstract class that extends Parent?

来自@Wen的替代解决方案：

In [129]: df.set_index('Week').resample('1D').ffill().reset_index()
Out[129]:
        Week  Netflix: (Worldwide)
0 2012-12-02                    50
1 2012-12-03                    50
2 2012-12-04                    50
3 2012-12-05                    50
4 2012-12-06                    50
5 2012-12-07                    50
6 2012-12-08                    50
7 2012-12-09                    51