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/2249#issuecomment-400104003,https://api.github.com/repos/pydata/xarray/issues/2249,400104003,MDEyOklzc3VlQ29tbWVudDQwMDEwNDAwMw==,1217238,2018-06-25T21:37:18Z,2018-06-25T21:37:18Z,MEMBER,"If you want to speed this up significantly, you'll need to make `my_function` something that you can apply over many time-series at once, e.g., over all columns of a 2D array rather than a single vector at a time. You might try writing a ""generalized ufunc"" for the logic with numba (guvectorize), and wrapping it with xarray's apply_ufunc.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,335523891