{"action":"created","issue":{"url":"https://api.github.com/repos/apache/spark/issues/7952","labels_url":"https://api.github.com/repos/apache/spark/issues/7952/labels{/name}","comments_url":"https://api.github.com/repos/apache/spark/issues/7952/comments","events_url":"https://api.github.com/repos/apache/spark/issues/7952/events","html_url":"https://github.com/apache/spark/pull/7952","id":99121576,"number":7952,"title":"[SPARK-9493] [ML] add featureIndex to handle vector features in IsotonicRegression","user":{"login":"mengxr","id":829644,"avatar_url":"https://avatars.githubusercontent.com/u/829644?v=3","gravatar_id":"","url":"https://api.github.com/users/mengxr","html_url":"https://github.com/mengxr","followers_url":"https://api.github.com/users/mengxr/followers","following_url":"https://api.github.com/users/mengxr/following{/other_user}","gists_url":"https://api.github.com/users/mengxr/gists{/gist_id}","starred_url":"https://api.github.com/users/mengxr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mengxr/subscriptions","organizations_url":"https://api.github.com/users/mengxr/orgs","repos_url":"https://api.github.com/users/mengxr/repos","events_url":"https://api.github.com/users/mengxr/events{/privacy}","received_events_url":"https://api.github.com/users/mengxr/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":10,"created_at":"2015-08-05T05:15:06Z","updated_at":"2015-08-05T20:44:38Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/7952","html_url":"https://github.com/apache/spark/pull/7952","diff_url":"https://github.com/apache/spark/pull/7952.diff","patch_url":"https://github.com/apache/spark/pull/7952.patch"},"body":"This PR contains the following changes:\r\n* add `featureIndex` to handle vector features (in order to chain isotonic regression easily with output from logistic regression\r\n* make getter/setter names consistent with params\r\n* remove inheritance from Regressor because it is tricky to handle both `DoubleType` and `VectorType`\r\n* simplify test data generation\r\n\r\n@jkbradley @zapletal-martin "},"comment":{"url":"https://api.github.com/repos/apache/spark/issues/comments/128142494","html_url":"https://github.com/apache/spark/pull/7952#issuecomment-128142494","issue_url":"https://api.github.com/repos/apache/spark/issues/7952","id":128142494,"user":{"login":"jkbradley","id":5084283,"avatar_url":"https://avatars.githubusercontent.com/u/5084283?v=3","gravatar_id":"","url":"https://api.github.com/users/jkbradley","html_url":"https://github.com/jkbradley","followers_url":"https://api.github.com/users/jkbradley/followers","following_url":"https://api.github.com/users/jkbradley/following{/other_user}","gists_url":"https://api.github.com/users/jkbradley/gists{/gist_id}","starred_url":"https://api.github.com/users/jkbradley/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jkbradley/subscriptions","organizations_url":"https://api.github.com/users/jkbradley/orgs","repos_url":"https://api.github.com/users/jkbradley/repos","events_url":"https://api.github.com/users/jkbradley/events{/privacy}","received_events_url":"https://api.github.com/users/jkbradley/received_events","type":"User","site_admin":false},"created_at":"2015-08-05T20:44:38Z","updated_at":"2015-08-05T20:44:38Z","body":"Reviewing now"}}