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  • `xray.open_mfdataset` concatenates also variables without time dimension · 6 ✖

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id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
330582379 https://github.com/pydata/xarray/issues/438#issuecomment-330582379 https://api.github.com/repos/pydata/xarray/issues/438 MDEyOklzc3VlQ29tbWVudDMzMDU4MjM3OQ== jhamman 2443309 2017-09-19T15:45:41Z 2017-09-19T15:45:41Z MEMBER

I stand corrected. Misread the old issue. ☕️ 😪 

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   `xray.open_mfdataset` concatenates also variables without time dimension 89268800
330582192 https://github.com/pydata/xarray/issues/438#issuecomment-330582192 https://api.github.com/repos/pydata/xarray/issues/438 MDEyOklzc3VlQ29tbWVudDMzMDU4MjE5Mg== shoyer 1217238 2017-09-19T15:45:06Z 2017-09-19T15:45:06Z MEMBER

Indeed, data_vars is a (somewhat confusingly named) argument to xarray.concat, and isn't deprecated. open_mfdataset could pass the argument on through to concat, but it doesn't do that yet.

 
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   `xray.open_mfdataset` concatenates also variables without time dimension 89268800
330575216 https://github.com/pydata/xarray/issues/438#issuecomment-330575216 https://api.github.com/repos/pydata/xarray/issues/438 MDEyOklzc3VlQ29tbWVudDMzMDU3NTIxNg== jhamman 2443309 2017-09-19T15:22:51Z 2017-09-19T15:43:37Z MEMBER

~use of data_vars was deprecated in https://github.com/pydata/xarray/pull/473.~

 
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   `xray.open_mfdataset` concatenates also variables without time dimension 89268800
121464036 https://github.com/pydata/xarray/issues/438#issuecomment-121464036 https://api.github.com/repos/pydata/xarray/issues/438 MDEyOklzc3VlQ29tbWVudDEyMTQ2NDAzNg== shoyer 1217238 2015-07-15T02:36:56Z 2015-07-15T02:36:56Z MEMBER

With #473, you will be able to achieve your desired result by adjusting the data_vars argument. data_vars='minimal will probably do the trick.

 
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   `xray.open_mfdataset` concatenates also variables without time dimension 89268800
113562216 https://github.com/pydata/xarray/issues/438#issuecomment-113562216 https://api.github.com/repos/pydata/xarray/issues/438 MDEyOklzc3VlQ29tbWVudDExMzU2MjIxNg== shoyer 1217238 2015-06-19T16:16:50Z 2015-06-19T16:16:50Z MEMBER

But why not just exclude all that do not have a time dimension?

Yeah, this is probably a good idea.

concat also covers combining datasets along a new dimension (i.e., if time was not a dimension of any of the individual datasets), but that's not the case here.

 
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   `xray.open_mfdataset` concatenates also variables without time dimension 89268800
113202457 https://github.com/pydata/xarray/issues/438#issuecomment-113202457 https://api.github.com/repos/pydata/xarray/issues/438 MDEyOklzc3VlQ29tbWVudDExMzIwMjQ1Nw== shoyer 1217238 2015-06-18T16:02:25Z 2015-06-18T16:02:25Z MEMBER

Hmm, I'll have to think about this one. We use some heuristics to figure out what to concatenation but they aren't perfect. Could you print what the full datasets look like, not just this variable?

 
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   `xray.open_mfdataset` concatenates also variables without time dimension 89268800

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