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/122#issuecomment-42793076,https://api.github.com/repos/pydata/xarray/issues/122,42793076,MDEyOklzc3VlQ29tbWVudDQyNzkzMDc2,1217238,2014-05-12T03:10:50Z,2014-05-12T03:10:50Z,MEMBER,"We currently don't implement methods like `ds.mean()`, which it would make sense to implement before adding the groupby version. But I do think it would be perfectly consistent to say that the mean of a dataset is the dataset given by taking the mean of every variable in the dataset. ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,33273199 https://github.com/pydata/xarray/issues/122#issuecomment-42792538,https://api.github.com/repos/pydata/xarray/issues/122,42792538,MDEyOklzc3VlQ29tbWVudDQyNzkyNTM4,2443309,2014-05-12T02:52:43Z,2014-05-12T02:52:43Z,MEMBER,"Right, although it doesn't have to be ambiguous. Why not just summarize each group along the `group_dim`? ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,33273199 https://github.com/pydata/xarray/issues/122#issuecomment-42789957,https://api.github.com/repos/pydata/xarray/issues/122,42789957,MDEyOklzc3VlQ29tbWVudDQyNzg5OTU3,1217238,2014-05-12T01:32:52Z,2014-05-12T01:32:52Z,MEMBER,"The problem is that it's ambiguous which array you would like to summarize. I suppose we could default to using all noncoordinates? That would be similar to how pandas does its DataFrame.groupby methods. ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,33273199