It doesn't have that functionality because we haven't needed it
internally. Feel free to add it if you need it.
Mike
On 09/25/2012 07:13 PM, Damon McDougall wrote:
> Hi,
>
> I'm playing with cbook.Grouper(), and I see that join() adds elements.
> How do I remove elements?
>
> Best,
> Damon
>
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