{"action":"created","issue":{"url":"https://api.github.com/repos/rhiever/tpot/issues/212","repository_url":"https://api.github.com/repos/rhiever/tpot","labels_url":"https://api.github.com/repos/rhiever/tpot/issues/212/labels{/name}","comments_url":"https://api.github.com/repos/rhiever/tpot/issues/212/comments","events_url":"https://api.github.com/repos/rhiever/tpot/issues/212/events","html_url":"https://github.com/rhiever/tpot/issues/212","id":171478180,"number":212,"title":"Add new feature selection operator based on ExtraTrees feature importances","user":{"login":"rhiever","id":1719223,"avatar_url":"https://avatars.githubusercontent.com/u/1719223?v=3","gravatar_id":"","url":"https://api.github.com/users/rhiever","html_url":"https://github.com/rhiever","followers_url":"https://api.github.com/users/rhiever/followers","following_url":"https://api.github.com/users/rhiever/following{/other_user}","gists_url":"https://api.github.com/users/rhiever/gists{/gist_id}","starred_url":"https://api.github.com/users/rhiever/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rhiever/subscriptions","organizations_url":"https://api.github.com/users/rhiever/orgs","repos_url":"https://api.github.com/users/rhiever/repos","events_url":"https://api.github.com/users/rhiever/events{/privacy}","received_events_url":"https://api.github.com/users/rhiever/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/rhiever/tpot/labels/enhancement","name":"enhancement","color":"84b6eb"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-08-16T17:55:20Z","updated_at":"2016-08-16T17:59:33Z","closed_at":null,"body":"Use [SelectFromModel](http://scikit-learn.org/stable/modules/generated/sklearn.feature_selection.SelectFromModel.html) to select features based on [ExtraTrees](http://scikit-learn.org/stable/modules/generated/sklearn.ensemble.ExtraTreesClassifier.html) feature importances.\r\n\r\n`threshold` should be an evolvable `float` parameter.\r\n\r\nFor the ExtraTrees model, we should open the same parameters to evolution as we do for the [ExtraTreesClassifier operator](https://github.com/rhiever/tpot/blob/development/tpot/operators/classifiers/extra_trees.py#L46)."},"comment":{"url":"https://api.github.com/repos/rhiever/tpot/issues/comments/240185085","html_url":"https://github.com/rhiever/tpot/issues/212#issuecomment-240185085","issue_url":"https://api.github.com/repos/rhiever/tpot/issues/212","id":240185085,"user":{"login":"rhiever","id":1719223,"avatar_url":"https://avatars.githubusercontent.com/u/1719223?v=3","gravatar_id":"","url":"https://api.github.com/users/rhiever","html_url":"https://github.com/rhiever","followers_url":"https://api.github.com/users/rhiever/followers","following_url":"https://api.github.com/users/rhiever/following{/other_user}","gists_url":"https://api.github.com/users/rhiever/gists{/gist_id}","starred_url":"https://api.github.com/users/rhiever/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rhiever/subscriptions","organizations_url":"https://api.github.com/users/rhiever/orgs","repos_url":"https://api.github.com/users/rhiever/repos","events_url":"https://api.github.com/users/rhiever/events{/privacy}","received_events_url":"https://api.github.com/users/rhiever/received_events","type":"User","site_admin":false},"created_at":"2016-08-16T17:59:33Z","updated_at":"2016-08-16T17:59:33Z","body":"Close:\r\n\r\n```\r\nSelectFromModel(ExtraTreesClassifier(criterion=criterion, max_features=max_features, min_weight_fraction_leaf=mwfl), threshold=threshold)\r\n```\r\n\r\nwhere each setting is evolvable."}}
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