On Sun, May 15, 2016 at 7:07 AM David Shi wrote:
> Hello, Michael,
>
> Pandas GroupBy does not behave consistently.
>
> Last time, when we had conversation, I used grouby. It works well.
>
> Now, I thought to re-write the program, so that I can end up with a clean
> scri
Hello, Michael,
Pandas GroupBy does not behave consistently.
Last time, when we had conversation, I used grouby. It works well.
Now, I thought to re-write the program, so that I can end up with a clean
script.
But, the problem is that a lot of columns are missing after groupby application.
Any
