{"action":"opened","issue":{"url":"https://api.github.com/repos/dmlc/xgboost/issues/326","labels_url":"https://api.github.com/repos/dmlc/xgboost/issues/326/labels{/name}","comments_url":"https://api.github.com/repos/dmlc/xgboost/issues/326/comments","events_url":"https://api.github.com/repos/dmlc/xgboost/issues/326/events","html_url":"https://github.com/dmlc/xgboost/issues/326","id":78400587,"number":326,"title":"Cox regression","user":{"login":"jeffwong","id":100511,"avatar_url":"https://avatars.githubusercontent.com/u/100511?v=3","gravatar_id":"","url":"https://api.github.com/users/jeffwong","html_url":"https://github.com/jeffwong","followers_url":"https://api.github.com/users/jeffwong/followers","following_url":"https://api.github.com/users/jeffwong/following{/other_user}","gists_url":"https://api.github.com/users/jeffwong/gists{/gist_id}","starred_url":"https://api.github.com/users/jeffwong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jeffwong/subscriptions","organizations_url":"https://api.github.com/users/jeffwong/orgs","repos_url":"https://api.github.com/users/jeffwong/repos","events_url":"https://api.github.com/users/jeffwong/events{/privacy}","received_events_url":"https://api.github.com/users/jeffwong/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-05-20T06:52:40Z","updated_at":"2015-05-20T06:52:40Z","closed_at":null,"body":"Would be great to be able to do cox regression like in the gbm R package. This would require supporting the surv object for censoring, and also having a function that returns the base hazard.\r\n\r\nI'll try to develop a PR for this, but that will probably take me a long time. Would be great if someone can read through the gbm package and port this over"}}