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id node_id number title user state locked assignee milestone comments created_at updated_at ▲ closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
2159674260 I_kwDOAMm_X86AugOU 8794 Difficult to convert `pd.DataFrame` to `Dataset` with multi-index staadecker 13053829 closed 0     2 2024-02-28T19:17:14Z 2024-03-09T22:33:17Z 2024-03-09T22:33:17Z CONTRIBUTOR      

What is your issue?

No direct way to create multi-index dataset

Unless I'm missing something, there is no easy way to convert a Pandas dataframe to a dataset with a multi-index. For example, xr.Dataset.from_dataframe automatically converts any Pandas multi-index into separate dimensions.

Workaround is inefficient

One workaround is doing xr.Dataset.from_dataframe(df).stack(...) however this is very inefficient for sparse multi-indices.

 
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   completed xarray 13221727 issue

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