{"action":"created","issue":{"url":"https://api.github.com/repos/pydata/pandas/issues/11387","labels_url":"https://api.github.com/repos/pydata/pandas/issues/11387/labels{/name}","comments_url":"https://api.github.com/repos/pydata/pandas/issues/11387/comments","events_url":"https://api.github.com/repos/pydata/pandas/issues/11387/events","html_url":"https://github.com/pydata/pandas/issues/11387","id":112431691,"number":11387,"title":"pandas ewmcov with nan gives inconsistent results","user":{"login":"jonathanng","id":2832171,"avatar_url":"https://avatars.githubusercontent.com/u/2832171?v=3","gravatar_id":"","url":"https://api.github.com/users/jonathanng","html_url":"https://github.com/jonathanng","followers_url":"https://api.github.com/users/jonathanng/followers","following_url":"https://api.github.com/users/jonathanng/following{/other_user}","gists_url":"https://api.github.com/users/jonathanng/gists{/gist_id}","starred_url":"https://api.github.com/users/jonathanng/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jonathanng/subscriptions","organizations_url":"https://api.github.com/users/jonathanng/orgs","repos_url":"https://api.github.com/users/jonathanng/repos","events_url":"https://api.github.com/users/jonathanng/events{/privacy}","received_events_url":"https://api.github.com/users/jonathanng/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-10-20T18:35:39Z","updated_at":"2015-10-20T18:37:05Z","closed_at":null,"body":"I have a dataframe, and I want to calculate ewmcov. Sometimes the dataframe has missing values.\r\n\r\nI've noticed that using the same dataframe, I get two different results with two separate calls of ewmcov.\r\n\r\nAnyone have an idea on why this could be?"},"comment":{"url":"https://api.github.com/repos/pydata/pandas/issues/comments/149659412","html_url":"https://github.com/pydata/pandas/issues/11387#issuecomment-149659412","issue_url":"https://api.github.com/repos/pydata/pandas/issues/11387","id":149659412,"user":{"login":"jreback","id":953992,"avatar_url":"https://avatars.githubusercontent.com/u/953992?v=3","gravatar_id":"","url":"https://api.github.com/users/jreback","html_url":"https://github.com/jreback","followers_url":"https://api.github.com/users/jreback/followers","following_url":"https://api.github.com/users/jreback/following{/other_user}","gists_url":"https://api.github.com/users/jreback/gists{/gist_id}","starred_url":"https://api.github.com/users/jreback/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jreback/subscriptions","organizations_url":"https://api.github.com/users/jreback/orgs","repos_url":"https://api.github.com/users/jreback/repos","events_url":"https://api.github.com/users/jreback/events{/privacy}","received_events_url":"https://api.github.com/users/jreback/received_events","type":"User","site_admin":false},"created_at":"2015-10-20T18:37:05Z","updated_at":"2015-10-20T18:37:05Z","body":"pls show a copy pastable example and pd.show_versions()"}}