python - 一个三层的字典能转换成标准的Dataframe吗？

Question

现在有一个三层的字典data={'2016-11-28': {'area1': {'am': -0.007, 'pm': 0.008}, 'area2': {'am': 0.0, 'pm': 0.0}, 'area3': {'am': -0.01, 'pm': -0.001}}}转换为dataframe之后的结果是 请问有没有办法把pm...

巴扎黑 · Answer

I tried to create multiple indexes, but the result was like this. Why are there no values?

                 2016-11-28  2016-11-29
name   time                        
area1  am           NaN         NaN
       pm           NaN         NaN
area3  am           NaN         NaN
       pm           NaN         NaN
area2  am           NaN         NaN
       pm           NaN         NaN

高洛峰 · Answer

nan’s place is chosen like this