issue_comments: 336983333

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https://github.com/pydata/xarray/issues/324#issuecomment-336983333 https://api.github.com/repos/pydata/xarray/issues/324 336983333 MDEyOklzc3VlQ29tbWVudDMzNjk4MzMzMw== 1217238 2017-10-16T18:24:33Z 2017-10-16T18:24:33Z MEMBER

Is use case 1 (Multiple groupby arguments along a single dimension) being held back for use case 2 (Multiple groupby arguments along different dimensions)? Use case 1 would be very useful by itself.

No, I think the biggest issue is that grouping variables into a MultiIndex on the result sort of works (with the current PR https://github.com/pydata/xarray/pull/924), but it's very easy to end up with weird conflicts between coordinates / MultiIndex levels that are hard to resolve right now within the xarray data model. Probably it would be best to resolve https://github.com/pydata/xarray/issues/1603 first, which will make this much easier.

 
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