issue_comments: 131891348

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https://github.com/pydata/xarray/issues/324#issuecomment-131891348 https://api.github.com/repos/pydata/xarray/issues/324 131891348 MDEyOklzc3VlQ29tbWVudDEzMTg5MTM0OA== 5356122 2015-08-17T17:04:44Z 2015-08-17T17:04:44Z MEMBER

For (2) I think it makes sense to extend the existing groupby to deal with multiple dimensions. Ie, let it take an iterable of dimension names.

```

darray.groupby(['lat', 'lon']) ```

Then we'd have something similar to the SQL groupby, which is a good thing.

By the way, in #527 we were considering using this approach to make the faceted plots on both rows and columns.

 
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