issues: 479942077

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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
479942077 MDU6SXNzdWU0Nzk5NDIwNzc= 3213 How should xarray use/support sparse arrays? 1217238 open 0     55 2019-08-13T03:29:42Z 2023-06-07T15:43:55Z   MEMBER      

I'm looking forward to being easily able to create sparse xarray objects from pandas: https://github.com/pydata/xarray/issues/3206

Are there other xarray APIs that could make good use of sparse arrays, or could make sparse arrays easier to use?

Some ideas: - to_sparse()/to_dense() methods for converting to/from sparse without requiring using .data - to_dataframe()/to_series() could grow options for skipping the fill-value in sparse arrays, so they can round-trip MultiIndex data back to pandas - Serialization to/from netCDF files, using some custom convention (see https://github.com/pydata/xarray/issues/1375#issuecomment-402699810)

 
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