{"action":"opened","issue":{"url":"https://api.github.com/repos/mlr-org/mlrCPO/issues/32","repository_url":"https://api.github.com/repos/mlr-org/mlrCPO","labels_url":"https://api.github.com/repos/mlr-org/mlrCPO/issues/32/labels{/name}","comments_url":"https://api.github.com/repos/mlr-org/mlrCPO/issues/32/comments","events_url":"https://api.github.com/repos/mlr-org/mlrCPO/issues/32/events","html_url":"https://github.com/mlr-org/mlrCPO/issues/32","id":294558224,"number":32,"title":"Imputation needs switches indicating which columns to impute","user":{"login":"mb706","id":15801081,"avatar_url":"https://avatars2.githubusercontent.com/u/15801081?v=4","gravatar_id":"","url":"https://api.github.com/users/mb706","html_url":"https://github.com/mb706","followers_url":"https://api.github.com/users/mb706/followers","following_url":"https://api.github.com/users/mb706/following{/other_user}","gists_url":"https://api.github.com/users/mb706/gists{/gist_id}","starred_url":"https://api.github.com/users/mb706/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mb706/subscriptions","organizations_url":"https://api.github.com/users/mb706/orgs","repos_url":"https://api.github.com/users/mb706/repos","events_url":"https://api.github.com/users/mb706/events{/privacy}","received_events_url":"https://api.github.com/users/mb706/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-02-05T22:02:44Z","updated_at":"2018-02-05T22:02:44Z","closed_at":null,"author_association":"COLLABORATOR","body":"Imputation by Learner is a difficult beast, because it should be able to depend on more data than it imputes. E.g. it may use learners only fit to impute some types of columns, or is possibly only used to impute a specific column, but the Learner should probably be trained on all available data.\r\n\r\nThe converse is not a problem (training on fewer columns than should be imputed), because the imputation Learner can just use a CPO.\r\n\r\n---\r\nWhen this is done, the \"blog post\" should be updated."}}
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