issue_comments: 391167274

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https://github.com/pydata/xarray/issues/2172#issuecomment-391167274 https://api.github.com/repos/pydata/xarray/issues/2172 391167274 MDEyOklzc3VlQ29tbWVudDM5MTE2NzI3NA== 1217238 2018-05-22T22:58:50Z 2018-05-22T22:59:12Z MEMBER

The direct cause for this issue appears to be using integers as dimension names: ```

x <xarray.Dataset> Dimensions: (2: 2, 2000: 2000, 10000: 10000) Dimensions without coordinates: 2, 2000, 10000 Data variables: sample_data (2, 2000, 10000) float64 0.8346 0.7321 0.00948 0.04605 ... ```

We do try to support arbitrary hashable values as dimensions names for most operations, but you will have better luck in general using strings.

 
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