{"action":"created","issue":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/6557","repository_url":"https://api.github.com/repos/scikit-learn/scikit-learn","labels_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/6557/labels{/name}","comments_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/6557/comments","events_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/6557/events","html_url":"https://github.com/scikit-learn/scikit-learn/issues/6557","id":141407157,"number":6557,"title":"add post-pruning for decision trees","user":{"login":"amueller","id":449558,"avatar_url":"https://avatars.githubusercontent.com/u/449558?v=3","gravatar_id":"","url":"https://api.github.com/users/amueller","html_url":"https://github.com/amueller","followers_url":"https://api.github.com/users/amueller/followers","following_url":"https://api.github.com/users/amueller/following{/other_user}","gists_url":"https://api.github.com/users/amueller/gists{/gist_id}","starred_url":"https://api.github.com/users/amueller/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/amueller/subscriptions","organizations_url":"https://api.github.com/users/amueller/orgs","repos_url":"https://api.github.com/users/amueller/repos","events_url":"https://api.github.com/users/amueller/events{/privacy}","received_events_url":"https://api.github.com/users/amueller/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/labels/Need%20Contributor","name":"Need Contributor","color":"009800"},{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/labels/New%20Feature","name":"New Feature","color":"02e10c"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2016-03-16T21:26:40Z","updated_at":"2016-03-18T11:36:43Z","closed_at":null,"body":"I frequently get asked about post-pruning. Often using single trees is important for interpretability, and post-pruning can help both interpretability and generalization performance.\r\n[I'm surprised there is no open issue on this, but I couldn't find one]"},"comment":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/comments/198318254","html_url":"https://github.com/scikit-learn/scikit-learn/issues/6557#issuecomment-198318254","issue_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/6557","id":198318254,"user":{"login":"maniteja123","id":6291963,"avatar_url":"https://avatars.githubusercontent.com/u/6291963?v=3","gravatar_id":"","url":"https://api.github.com/users/maniteja123","html_url":"https://github.com/maniteja123","followers_url":"https://api.github.com/users/maniteja123/followers","following_url":"https://api.github.com/users/maniteja123/following{/other_user}","gists_url":"https://api.github.com/users/maniteja123/gists{/gist_id}","starred_url":"https://api.github.com/users/maniteja123/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/maniteja123/subscriptions","organizations_url":"https://api.github.com/users/maniteja123/orgs","repos_url":"https://api.github.com/users/maniteja123/repos","events_url":"https://api.github.com/users/maniteja123/events{/privacy}","received_events_url":"https://api.github.com/users/maniteja123/received_events","type":"User","site_admin":false},"created_at":"2016-03-18T11:36:43Z","updated_at":"2016-03-18T11:36:43Z","body":"This issue [#941](https://github.com/scikit-learn/scikit-learn/pull/941) also seems to be proposing prune method to the tree but the code has considerably changed in the meantime I suppose."}}