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
892812331,MDU6SXNzdWU4OTI4MTIzMzE=,5320,Confused about variable declared but not used in DataArray documentation,7213793,closed,0,,,1,2021-05-17T01:27:08Z,2021-05-17T03:52:37Z,2021-05-17T03:52:37Z,CONTRIBUTOR,,,,"The documentation for `xr.DataArray` includes this precipitation variable but it doesnt actually seem to be used anywhere? Was it intended to showcase some functionality or is it superfluous? 

If its not needed can it be removed? Whatever the fix is I'm happy to make a PR (if not im not mistaken!)
http://xarray.pydata.org/en/stable/generated/xarray.DataArray.html#xarray.DataArray

**Edit**
I see it is used in Dataset documentation so now get the intent. I still suggest removing it from `xr.DataArray` as its not used there. 
http://xarray.pydata.org/en/stable/user-guide/data-structures.html


![image](https://user-images.githubusercontent.com/7213793/118420566-fe5e0180-b673-11eb-8788-595ffa89ea48.png)

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362854704,MDU6SXNzdWUzNjI4NTQ3MDQ=,2429,Documentation Review Request for Arviz,7213793,closed,0,,,7,2018-09-22T12:49:11Z,2018-09-29T03:51:07Z,2018-09-27T04:05:47Z,CONTRIBUTOR,,,,"Hello,
This isn't an issue with Xarray, I just wasn't sure of how to generally contact the Xarray devs other than a github Issue.

Arviz would like to add some light documentation to introduce our users to xarray. We wanted to reach out to see if xarray devs wanted to review it before we ""publish"" it to our docs.

There's no obligation of course, we just wanted to ensure we proactively ask for your feedback if you wanted to provide an opinion.

Notebook
https://github.com/arviz-devs/arviz/blob/2b95e70dce7cf4f3c1bc41bcc030b1bf1b579359/doc/notebooks/XarrayforArviZ.ipynb

Pull request
https://github.com/arviz-devs/arviz/pull/256","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/2429/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed,13221727,issue