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Enable level arguments for groupby #2115

kain88-de opened this Issue Oct 21, 2018 · 0 comments


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kain88-de commented Oct 21, 2018

Is your feature request related to a problem? Please describe.
groupby doesn't accept a level argument like molecule or segment.

Describe the solution you'd like
It would be nice if ag.groupby(['molecule', 'resid']) would just work. If the molecule level can have names they should be used as keys, otherwise, a simple integer counter should be enough. This would lift split and groupby to over the same functionality. I like this because similar function accepts a similar input.

Additional context

If groupby supports level arguments then split can be replaced with ag.grouby(level).values. A consequence of this would be that split could work with topoAttrs as well.

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