{"action":"created","issue":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/4291","labels_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/4291/labels{/name}","comments_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/4291/comments","events_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/4291/events","html_url":"https://github.com/scikit-learn/scikit-learn/issues/4291","id":58833393,"number":4291,"title":"Meta-Estimators should have uniform parameter delegation behavior","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/API","name":"API","color":"bfd4f2"}],"state":"open","locked":false,"assignee":null,"milestone":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/milestones/9","html_url":"https://github.com/scikit-learn/scikit-learn/milestones/1.0","labels_url":"https://api.github.com/repos/scikit-learn/scikit-learn/milestones/9/labels","id":190845,"number":9,"title":"1.0","description":"This milestone is not really associated with a deadline.\r\nI intend it as a list of things we think have to be done before we get there.","creator":{"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},"open_issues":13,"closed_issues":18,"state":"open","created_at":"2012-10-07T13:00:07Z","updated_at":"2015-02-25T00:59:29Z","due_on":"2015-12-31T05:00:00Z","closed_at":null},"comments":3,"created_at":"2015-02-25T00:59:29Z","updated_at":"2015-02-25T01:21:52Z","closed_at":null,"body":"To grid-search parameters of sub-estimators, ``Pipeline`` and ``FeatureUnion`` currently use a ``__`` syntax and named sub-estimators.\r\n``BaggingClassifier`` and ``RFE`` however use an ``estimator_params`` parameter, that makes grid-searches relatively awkward. I suggest we change them to the pipeline behavior by overloading ``get_params`` (or refactoring get_params by defining a unified way to declare sub-estimators)."},"comment":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/comments/75887406","html_url":"https://github.com/scikit-learn/scikit-learn/issues/4291#issuecomment-75887406","issue_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/4291","id":75887406,"user":{"login":"jnothman","id":78827,"avatar_url":"https://avatars.githubusercontent.com/u/78827?v=3","gravatar_id":"","url":"https://api.github.com/users/jnothman","html_url":"https://github.com/jnothman","followers_url":"https://api.github.com/users/jnothman/followers","following_url":"https://api.github.com/users/jnothman/following{/other_user}","gists_url":"https://api.github.com/users/jnothman/gists{/gist_id}","starred_url":"https://api.github.com/users/jnothman/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jnothman/subscriptions","organizations_url":"https://api.github.com/users/jnothman/orgs","repos_url":"https://api.github.com/users/jnothman/repos","events_url":"https://api.github.com/users/jnothman/events{/privacy}","received_events_url":"https://api.github.com/users/jnothman/received_events","type":"User","site_admin":false},"created_at":"2015-02-25T01:21:52Z","updated_at":"2015-02-25T01:21:52Z","body":"It would be a bit awkward to set forest parameters as `forest__estimator__*`"}}