issue_comments: 275618135

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https://github.com/pydata/xarray/issues/1199#issuecomment-275618135 https://api.github.com/repos/pydata/xarray/issues/1199 275618135 MDEyOklzc3VlQ29tbWVudDI3NTYxODEzNQ== 10050469 2017-01-27T08:59:45Z 2017-01-27T08:59:45Z MEMBER

We may not have gotten this right yet. See StackOverflow: What are “unindexed dimensions” and why are coordinates empty?

The problem for the user is that the __repr__ makes him feel that his/her file is "not standard", as there are no proper coordinates in the file (at least not in the nice, CF compliant way).

I'd add another suggestion to the list that @shoyer proposed, which is simply to do nothing with the unindexed dimensions:

<xarray.Dataset> Dimensions: (x: 2, y: 2) Coordinates: * x (x) int64 1 2 Data variables: foo (x, y) int64 1 2 3 4 This has the advantage to be unambiguous and close to the data model of the file at hand (with dimensions but no coordinates).

After that, my preference goes for "Dimensions without coordinates" too.

In the SO post, the OP also wondered about the "empty" coordinates. Any plan to change this too? Maybe a - instead of *empty*?

 
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