{"action":"opened","issue":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/7205","repository_url":"https://api.github.com/repos/scikit-learn/scikit-learn","labels_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/7205/labels{/name}","comments_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/7205/comments","events_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/7205/events","html_url":"https://github.com/scikit-learn/scikit-learn/issues/7205","id":171932174,"number":7205,"title":"Name of test-fold results in GridSearchCV.results_","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":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-08-18T15:37:42Z","updated_at":"2016-08-18T15:37:42Z","closed_at":null,"body":"I forgot if we discussed this before, but I'm slightly uncertain about the naming in ``results_``.\r\nBefore, we used ``mean_validation_score``, now it's ``test_mean_score``. I'm wondering if it should be ``test`` or ``validation``. I would call this the mean cross-validation score (I guess I named the previous named tuple).\r\n\r\nAfter all, it's called cross-validation, not cross-testing ;)\r\n\r\nping @jnothman @raghavrv @GaelVaroquaux \r\n\r\nI don't feel very strongly but I think it deserves some consideration (I just saw me using it in the book and it felt strange)."}}
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