issue_comments: 284273455

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https://github.com/pydata/xarray/issues/1295#issuecomment-284273455 https://api.github.com/repos/pydata/xarray/issues/1295 284273455 MDEyOklzc3VlQ29tbWVudDI4NDI3MzQ1NQ== 1217238 2017-03-05T23:40:57Z 2017-03-05T23:40:57Z MEMBER

I think it's confusing to use "coordinate" to refer to only variables matching dimension names and that "auxiliary coordinates" are not a type of coordinate. It just doesn't make any sense in terms of the usual rules for categorizing things. This is especially problematic for software like xarray which people use without looking carefully at the docs, and for which many users aren't familiar with CF conventions.

So I feel pretty strongly that CF/NUG conventions get this one wrong, and for xarray we should say that anything in .coords is a coordinate variable, which we can further qualify in various ways.

 
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