{"action":"created","issue":{"url":"https://api.github.com/repos/ai-se/tunelearners/issues/33","repository_url":"https://api.github.com/repos/ai-se/tunelearners","labels_url":"https://api.github.com/repos/ai-se/tunelearners/issues/33/labels{/name}","comments_url":"https://api.github.com/repos/ai-se/tunelearners/issues/33/comments","events_url":"https://api.github.com/repos/ai-se/tunelearners/issues/33/events","html_url":"https://github.com/ai-se/tunelearners/issues/33","id":140009776,"number":33,"title":"DE v.s. long time running 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":2,"created_at":"2016-03-10T21:09:27Z","updated_at":"2016-03-11T18:48:11Z","closed_at":null,"body":"## Expriment \r\n * data set: training on release 1, tuning on release 2, testing on release3 (The same as int the journal paper)\r\n * GridSearch:\r\n    * CART: 5 parameters, each dimension is equally divided into 5, totally 5^5= __3105 evaluations__ \r\n    * RF: 6 parameters,  each dimension is equally divided into 5,  totally 5^6= __15625 evaluations__\r\n* DE: use np=50, life =5,  __using evaluations  from 250 to 400__\r\n\r\n \r\n"},"comment":{"url":"https://api.github.com/repos/ai-se/tunelearners/issues/comments/195495196","html_url":"https://github.com/ai-se/tunelearners/issues/33#issuecomment-195495196","issue_url":"https://api.github.com/repos/ai-se/tunelearners/issues/33","id":195495196,"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},"created_at":"2016-03-11T18:48:11Z","updated_at":"2016-03-11T18:48:11Z","body":"## Comments\r\n\r\n* CART:  grid search and DE have the __almost same precision__, DE has __a little better__ F score than grid search.\r\n* RF: grid search has __higher precision__, but a little __lower F score__\r\n\r\n* BUT, __take evaluations/running time into account__, DE would be better !"}}