issue_comments: 545134181

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https://github.com/pydata/xarray/issues/3432#issuecomment-545134181 https://api.github.com/repos/pydata/xarray/issues/3432 545134181 MDEyOklzc3VlQ29tbWVudDU0NTEzNDE4MQ== 1200058 2019-10-22T20:14:38Z 2019-10-22T20:17:26Z NONE

@max-sixty here you go: ```python3 import xarray as xr

print(xr.version)

ds = xr.Dataset({ "test": xr.DataArray( [[[1,2],[3,4]], [[1,2],[3,4]]], dims=("genes", "individuals", "subtissues"), coords={ "genes": ["a", "b"], "individuals": ["c", "d"], "subtissues": ["e", "f"], } ) }) print(ds)

stacked = ds.stack(observations=["individuals", "subtissues"]) print(stacked)

print(stacked.isel(observations=1)) ```

result: <xarray.Dataset> Dimensions: (genes: 2) Coordinates: * genes (genes) <U1 'a' 'b' observations object ('c', 'f') Data variables: test (genes) int64 2 2

 
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