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  • TypeError on DataArray.stack() if any of the dimensions to be stacked has a MultiIndex · 3 ✖
id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
480379773 https://github.com/pydata/xarray/issues/1554#issuecomment-480379773 https://api.github.com/repos/pydata/xarray/issues/1554 MDEyOklzc3VlQ29tbWVudDQ4MDM3OTc3Mw== mschrimpf 5308236 2019-04-05T18:35:12Z 2019-04-05T18:35:12Z NONE

Any updates on this by any chance? (now that there seems to be progress on #1603)

 
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   TypeError on DataArray.stack() if any of the dimensions to be stacked has a MultiIndex 255597950
330359229 https://github.com/pydata/xarray/issues/1554#issuecomment-330359229 https://api.github.com/repos/pydata/xarray/issues/1554 MDEyOklzc3VlQ29tbWVudDMzMDM1OTIyOQ== nbren12 1386642 2017-09-18T21:18:01Z 2017-09-18T21:18:01Z CONTRIBUTOR

I have been playing around with the MultiIndexes as part of #1317, so I could take a stab at implementing some sort of stack which combines the levels etc.

 
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   TypeError on DataArray.stack() if any of the dimensions to be stacked has a MultiIndex 255597950
327588604 https://github.com/pydata/xarray/issues/1554#issuecomment-327588604 https://api.github.com/repos/pydata/xarray/issues/1554 MDEyOklzc3VlQ29tbWVudDMyNzU4ODYwNA== shoyer 1217238 2017-09-06T19:27:43Z 2017-09-06T19:27:43Z MEMBER

Thanks for the report.

I agree that a better error message would be helpful here, but I do think that stack can still be meaningfully if one of the components is a MultiIndex (e.g., by combining the existing levels with the new levels to be stacked)

 
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   TypeError on DataArray.stack() if any of the dimensions to be stacked has a MultiIndex 255597950

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