{"action":"created","issue":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/1940","repository_url":"https://api.github.com/repos/scikit-learn/scikit-learn","labels_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/1940/labels{/name}","comments_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/1940/comments","events_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/1940/events","html_url":"https://github.com/scikit-learn/scikit-learn/issues/1940","id":14000126,"node_id":"MDU6SXNzdWUxNDAwMDEyNg==","number":1940,"title":"cross validation documentation error","user":{"login":"sdicker8","id":874387,"node_id":"MDQ6VXNlcjg3NDM4Nw==","avatar_url":"https://avatars0.githubusercontent.com/u/874387?v=4","gravatar_id":"","url":"https://api.github.com/users/sdicker8","html_url":"https://github.com/sdicker8","followers_url":"https://api.github.com/users/sdicker8/followers","following_url":"https://api.github.com/users/sdicker8/following{/other_user}","gists_url":"https://api.github.com/users/sdicker8/gists{/gist_id}","starred_url":"https://api.github.com/users/sdicker8/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sdicker8/subscriptions","organizations_url":"https://api.github.com/users/sdicker8/orgs","repos_url":"https://api.github.com/users/sdicker8/repos","events_url":"https://api.github.com/users/sdicker8/events{/privacy}","received_events_url":"https://api.github.com/users/sdicker8/received_events","type":"User","site_admin":false},"labels":[{"id":12995770,"node_id":"MDU6TGFiZWwxMjk5NTc3MA==","url":"https://api.github.com/repos/scikit-learn/scikit-learn/labels/Documentation","name":"Documentation","color":"0b02e1","default":false},{"id":12995769,"node_id":"MDU6TGFiZWwxMjk5NTc2OQ==","url":"https://api.github.com/repos/scikit-learn/scikit-learn/labels/Easy","name":"Easy","color":"02d7e1","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/milestones/26","html_url":"https://github.com/scikit-learn/scikit-learn/milestone/26","labels_url":"https://api.github.com/repos/scikit-learn/scikit-learn/milestones/26/labels","id":3421829,"node_id":"MDk6TWlsZXN0b25lMzQyMTgyOQ==","number":26,"title":"0.21","description":"","creator":{"login":"glemaitre","id":7454015,"node_id":"MDQ6VXNlcjc0NTQwMTU=","avatar_url":"https://avatars2.githubusercontent.com/u/7454015?v=4","gravatar_id":"","url":"https://api.github.com/users/glemaitre","html_url":"https://github.com/glemaitre","followers_url":"https://api.github.com/users/glemaitre/followers","following_url":"https://api.github.com/users/glemaitre/following{/other_user}","gists_url":"https://api.github.com/users/glemaitre/gists{/gist_id}","starred_url":"https://api.github.com/users/glemaitre/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/glemaitre/subscriptions","organizations_url":"https://api.github.com/users/glemaitre/orgs","repos_url":"https://api.github.com/users/glemaitre/repos","events_url":"https://api.github.com/users/glemaitre/events{/privacy}","received_events_url":"https://api.github.com/users/glemaitre/received_events","type":"User","site_admin":false},"open_issues":84,"closed_issues":9,"state":"open","created_at":"2018-06-13T12:48:35Z","updated_at":"2018-10-01T20:45:49Z","due_on":"2019-01-31T08:00:00Z","closed_at":null},"comments":10,"created_at":"2013-05-06T13:06:10Z","updated_at":"2018-10-03T16:57:28Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"5.1.1. Computing cross-validated metrics\n\nprint \"Accuracy: %0.2f (+/- %0.2f)\" % (scores.mean(), scores.std() / 2)\n\nShouldn't the above be scores.std() \\* 2 if the intention is to show the 95% confidence level?\n\nthanks-\n"},"comment":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/comments/426714375","html_url":"https://github.com/scikit-learn/scikit-learn/issues/1940#issuecomment-426714375","issue_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/1940","id":426714375,"node_id":"MDEyOklzc3VlQ29tbWVudDQyNjcxNDM3NQ==","user":{"login":"rasbt","id":5618407,"node_id":"MDQ6VXNlcjU2MTg0MDc=","avatar_url":"https://avatars3.githubusercontent.com/u/5618407?v=4","gravatar_id":"","url":"https://api.github.com/users/rasbt","html_url":"https://github.com/rasbt","followers_url":"https://api.github.com/users/rasbt/followers","following_url":"https://api.github.com/users/rasbt/following{/other_user}","gists_url":"https://api.github.com/users/rasbt/gists{/gist_id}","starred_url":"https://api.github.com/users/rasbt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rasbt/subscriptions","organizations_url":"https://api.github.com/users/rasbt/orgs","repos_url":"https://api.github.com/users/rasbt/repos","events_url":"https://api.github.com/users/rasbt/events{/privacy}","received_events_url":"https://api.github.com/users/rasbt/received_events","type":"User","site_admin":false},"created_at":"2018-10-03T16:57:28Z","updated_at":"2018-10-03T16:57:28Z","author_association":"CONTRIBUTOR","body":"just chiming in because I was tagged in the post before it was edited :).\r\n\r\n> Can we put a reference to this page to clear the air http://www.stat.yale.edu/Courses/1997-98/101/confint.htm\r\n\r\nBut this assumes that the errors/accuracy values of the folds are normal distributed. In order to compute a more accurate (correct) 95% confidence intervals, one could run the cross val on bootstrap samples and then apply the method in that post.\r\n\r\n"}}
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