Python (Pandas) Add subtotal on each lvl of multiindex dataframe

Question

Assuming I have the following dataframe:

a       b       c      Sce1     Sce2    Sce3    Sce4    Sce5    Sc6
Animal  Ground  Dog    0.0      0.9     0.5             


        

Answer 1

you need to do two group by to get subtotals at every level of aggregation. Then add those back in to the initial DF. Here's a related question.