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/4922#issuecomment-997406431,https://api.github.com/repos/pydata/xarray/issues/4922,997406431,IC_kwDOAMm_X847czbf,4749283,2021-12-19T14:59:33Z,2021-12-19T15:18:45Z,NONE,"encountered the same problem by Bottleneck.move_rank() ; i have to judge the length of dataframe in advance ```python vol_list =[3,5,10,20,30,60,90] for i in vol_list: if len(last_df) >= i: last_df['vol_big_than_today_count_'+str(i)] = move_rank(last_df['vol'], i) ```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,811321550