{"action":"opened","issue":{"url":"https://api.github.com/repos/recsyschallenge/2016/issues/9","repository_url":"https://api.github.com/repos/recsyschallenge/2016","labels_url":"https://api.github.com/repos/recsyschallenge/2016/issues/9/labels{/name}","comments_url":"https://api.github.com/repos/recsyschallenge/2016/issues/9/comments","events_url":"https://api.github.com/repos/recsyschallenge/2016/issues/9/events","html_url":"https://github.com/recsyschallenge/2016/issues/9","id":138055918,"number":9,"title":"Can you tell me that the meaning of the items order in \"Impressions.csv\"?","user":{"login":"MiaoLoud","id":13185060,"avatar_url":"https://avatars.githubusercontent.com/u/13185060?v=3","gravatar_id":"","url":"https://api.github.com/users/MiaoLoud","html_url":"https://github.com/MiaoLoud","followers_url":"https://api.github.com/users/MiaoLoud/followers","following_url":"https://api.github.com/users/MiaoLoud/following{/other_user}","gists_url":"https://api.github.com/users/MiaoLoud/gists{/gist_id}","starred_url":"https://api.github.com/users/MiaoLoud/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MiaoLoud/subscriptions","organizations_url":"https://api.github.com/users/MiaoLoud/orgs","repos_url":"https://api.github.com/users/MiaoLoud/repos","events_url":"https://api.github.com/users/MiaoLoud/events{/privacy}","received_events_url":"https://api.github.com/users/MiaoLoud/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-03-03T02:30:27Z","updated_at":"2016-03-03T02:30:27Z","closed_at":null,"body":"Many records in \"Impressions.csv\" show as following: \r\nuser_id\tyear\tweek\titems\r\n1842650\t2015\t41\t1386585,1386585,2139076,766293,977414,1133414,1163212\r\n..............  ........        ...      ............................\r\n-----------------------------------------------------------------------------------------\r\n\r\nCould you tell me that the meaning of the item order & repetition in \"Impressions.csv\"?\r\n(If the rules allow it)\r\nthank you ^o^\r\n"}}