[Tutor] How to add a new column to a hierarchical dataframe grouped by groupby

[Mark Lawrence]

On 21/10/2013 20:38, Boris Vladimir Comi wrote:

This is the Python tutor mailing list so it is essentially aimed at 
beginners to programming and/or Python, so please ask your pandas 
specific question on the google group here 
https://groups.google.com/forum/#!forum/pydata or the equivalent mailing 
list at gmane.comp.python.pydata.

-- 
Python is the second best programming language in the world.
But the best has yet to be invented.  Christian Tismer

Mark Lawrence