{"action":"opened","issue":{"url":"https://api.github.com/repos/dmlc/xgboost/issues/4188","repository_url":"https://api.github.com/repos/dmlc/xgboost","labels_url":"https://api.github.com/repos/dmlc/xgboost/issues/4188/labels{/name}","comments_url":"https://api.github.com/repos/dmlc/xgboost/issues/4188/comments","events_url":"https://api.github.com/repos/dmlc/xgboost/issues/4188/events","html_url":"https://github.com/dmlc/xgboost/issues/4188","id":415070764,"node_id":"MDU6SXNzdWU0MTUwNzA3NjQ=","number":4188,"title":"xgboost4j spark supports incremental learning","user":{"login":"zyq11223","id":22373016,"node_id":"MDQ6VXNlcjIyMzczMDE2","avatar_url":"https://avatars2.githubusercontent.com/u/22373016?v=4","gravatar_id":"","url":"https://api.github.com/users/zyq11223","html_url":"https://github.com/zyq11223","followers_url":"https://api.github.com/users/zyq11223/followers","following_url":"https://api.github.com/users/zyq11223/following{/other_user}","gists_url":"https://api.github.com/users/zyq11223/gists{/gist_id}","starred_url":"https://api.github.com/users/zyq11223/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zyq11223/subscriptions","organizations_url":"https://api.github.com/users/zyq11223/orgs","repos_url":"https://api.github.com/users/zyq11223/repos","events_url":"https://api.github.com/users/zyq11223/events{/privacy}","received_events_url":"https://api.github.com/users/zyq11223/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2019-02-27T11:11:55Z","updated_at":"2019-02-27T11:11:55Z","closed_at":null,"author_association":"NONE","body":"how to incremental training xgboost4j  spark model  with an existed xgboost classification model ？\r\nDoes the XGBModel.booster.update(DMatrix, Iteration ) mean that ?"}}
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