html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/issues/4079#issuecomment-630906095,https://api.github.com/repos/pydata/xarray/issues/4079,630906095,MDEyOklzc3VlQ29tbWVudDYzMDkwNjA5NQ==,1197350,2020-05-19T15:42:07Z,2020-05-19T15:42:07Z,MEMBER,"> Is there a way to create arrays and datasets with unnamed dimensions? No. Xarray's data model requires all dimensions to have a name. Xarray allows you to create DataArrays without specifying dimensions: ```python import xarray as xr import numpy as np da = xr.DataArray(np.zeros((4, 5))) ``` Xarray will choose dimension names in this case (`dim_0`, `dim_1`, etc.) This doesn't work with creating Datasets, because you *have* to specify all variables' dimensions in the Dataset constructor. I imagine that unnamed dimensions would break lots of internal Xarray logic.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,621078539