{"action":"opened","issue":{"url":"https://api.github.com/repos/ai-se/Caret/issues/12","repository_url":"https://api.github.com/repos/ai-se/Caret","labels_url":"https://api.github.com/repos/ai-se/Caret/issues/12/labels{/name}","comments_url":"https://api.github.com/repos/ai-se/Caret/issues/12/comments","events_url":"https://api.github.com/repos/ai-se/Caret/issues/12/events","html_url":"https://github.com/ai-se/Caret/issues/12","id":135291874,"number":12,"title":"DE vs GridSearch","user":{"login":"WeiFoo","id":7039841,"avatar_url":"https://avatars.githubusercontent.com/u/7039841?v=3","gravatar_id":"","url":"https://api.github.com/users/WeiFoo","html_url":"https://github.com/WeiFoo","followers_url":"https://api.github.com/users/WeiFoo/followers","following_url":"https://api.github.com/users/WeiFoo/following{/other_user}","gists_url":"https://api.github.com/users/WeiFoo/gists{/gist_id}","starred_url":"https://api.github.com/users/WeiFoo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/WeiFoo/subscriptions","organizations_url":"https://api.github.com/users/WeiFoo/orgs","repos_url":"https://api.github.com/users/WeiFoo/repos","events_url":"https://api.github.com/users/WeiFoo/events{/privacy}","received_events_url":"https://api.github.com/users/WeiFoo/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-02-22T02:01:40Z","updated_at":"2016-02-22T02:01:40Z","closed_at":null,"body":"## Settings \r\nHere're some key points need to be considered.\r\n\r\n* GridSearch:\r\n  * Training data: release1+release2(2-fold CrossEvaluation with stratified sampling to split data.)\r\n  * Testing data: release3\r\n  * generate grid policy: (eg: number_estimators: [50~150])\r\n     * __randomly__ pick 3 values for each parameter within given range(e.g:number_estimators:[68,90,133])\r\n     * __uniformly__ pick 3 values for each parameter within given range(e.g: nubmer_estimators:[50,100,150])\r\n\r\n* DE:\r\n    * Training data: release1+release2(stratified sampling the data into new_train and new_tuning)\r\n    * Testing data: release3\r\n\r\n## Results\r\n[Tuning goal: auc, GridSearch: randomly pick]()\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n"}}