issue_comments: 391805626

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https://github.com/pydata/xarray/issues/1026#issuecomment-391805626 https://api.github.com/repos/pydata/xarray/issues/1026 391805626 MDEyOklzc3VlQ29tbWVudDM5MTgwNTYyNg== 1217238 2018-05-24T17:59:31Z 2018-05-24T17:59:31Z MEMBER

Indeed, it looks like this works now. Extending the example from the first post: In [3]: ds.chunk({'x': 5}).thedata.groupby('thegroup').mean() Out[3]: <xarray.DataArray 'thedata' (thegroup: 2)> dask.array<shape=(2,), dtype=float64, chunksize=(1,)> Coordinates: * thegroup (thegroup) object False True

 
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