{"action":"created","issue":{"url":"https://api.github.com/repos/Azure/mmlspark/issues/367","repository_url":"https://api.github.com/repos/Azure/mmlspark","labels_url":"https://api.github.com/repos/Azure/mmlspark/issues/367/labels{/name}","comments_url":"https://api.github.com/repos/Azure/mmlspark/issues/367/comments","events_url":"https://api.github.com/repos/Azure/mmlspark/issues/367/events","html_url":"https://github.com/Azure/mmlspark/issues/367","id":354878551,"node_id":"MDU6SXNzdWUzNTQ4Nzg1NTE=","number":367,"title":"Need to specify to native lightgbm learner if given columns are categorical","user":{"login":"imatiach-msft","id":24683184,"node_id":"MDQ6VXNlcjI0NjgzMTg0","avatar_url":"https://avatars0.githubusercontent.com/u/24683184?v=4","gravatar_id":"","url":"https://api.github.com/users/imatiach-msft","html_url":"https://github.com/imatiach-msft","followers_url":"https://api.github.com/users/imatiach-msft/followers","following_url":"https://api.github.com/users/imatiach-msft/following{/other_user}","gists_url":"https://api.github.com/users/imatiach-msft/gists{/gist_id}","starred_url":"https://api.github.com/users/imatiach-msft/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/imatiach-msft/subscriptions","organizations_url":"https://api.github.com/users/imatiach-msft/orgs","repos_url":"https://api.github.com/users/imatiach-msft/repos","events_url":"https://api.github.com/users/imatiach-msft/events{/privacy}","received_events_url":"https://api.github.com/users/imatiach-msft/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"imatiach-msft","id":24683184,"node_id":"MDQ6VXNlcjI0NjgzMTg0","avatar_url":"https://avatars0.githubusercontent.com/u/24683184?v=4","gravatar_id":"","url":"https://api.github.com/users/imatiach-msft","html_url":"https://github.com/imatiach-msft","followers_url":"https://api.github.com/users/imatiach-msft/followers","following_url":"https://api.github.com/users/imatiach-msft/following{/other_user}","gists_url":"https://api.github.com/users/imatiach-msft/gists{/gist_id}","starred_url":"https://api.github.com/users/imatiach-msft/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/imatiach-msft/subscriptions","organizations_url":"https://api.github.com/users/imatiach-msft/orgs","repos_url":"https://api.github.com/users/imatiach-msft/repos","events_url":"https://api.github.com/users/imatiach-msft/events{/privacy}","received_events_url":"https://api.github.com/users/imatiach-msft/received_events","type":"User","site_admin":false},"assignees":[{"login":"imatiach-msft","id":24683184,"node_id":"MDQ6VXNlcjI0NjgzMTg0","avatar_url":"https://avatars0.githubusercontent.com/u/24683184?v=4","gravatar_id":"","url":"https://api.github.com/users/imatiach-msft","html_url":"https://github.com/imatiach-msft","followers_url":"https://api.github.com/users/imatiach-msft/followers","following_url":"https://api.github.com/users/imatiach-msft/following{/other_user}","gists_url":"https://api.github.com/users/imatiach-msft/gists{/gist_id}","starred_url":"https://api.github.com/users/imatiach-msft/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/imatiach-msft/subscriptions","organizations_url":"https://api.github.com/users/imatiach-msft/orgs","repos_url":"https://api.github.com/users/imatiach-msft/repos","events_url":"https://api.github.com/users/imatiach-msft/events{/privacy}","received_events_url":"https://api.github.com/users/imatiach-msft/received_events","type":"User","site_admin":false}],"milestone":null,"comments":4,"created_at":"2018-08-28T19:51:20Z","updated_at":"2018-08-30T22:49:11Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"Need to specify to native lightgbm learner if given columns are categorical\r\nCreating issue to track this based on conversation with @gopinutakki [here](https://github.com/Azure/mmlspark/issues/317#issuecomment-416713183)\r\n"},"comment":{"url":"https://api.github.com/repos/Azure/mmlspark/issues/comments/417492250","html_url":"https://github.com/Azure/mmlspark/issues/367#issuecomment-417492250","issue_url":"https://api.github.com/repos/Azure/mmlspark/issues/367","id":417492250,"node_id":"MDEyOklzc3VlQ29tbWVudDQxNzQ5MjI1MA==","user":{"login":"imatiach-msft","id":24683184,"node_id":"MDQ6VXNlcjI0NjgzMTg0","avatar_url":"https://avatars0.githubusercontent.com/u/24683184?v=4","gravatar_id":"","url":"https://api.github.com/users/imatiach-msft","html_url":"https://github.com/imatiach-msft","followers_url":"https://api.github.com/users/imatiach-msft/followers","following_url":"https://api.github.com/users/imatiach-msft/following{/other_user}","gists_url":"https://api.github.com/users/imatiach-msft/gists{/gist_id}","starred_url":"https://api.github.com/users/imatiach-msft/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/imatiach-msft/subscriptions","organizations_url":"https://api.github.com/users/imatiach-msft/orgs","repos_url":"https://api.github.com/users/imatiach-msft/repos","events_url":"https://api.github.com/users/imatiach-msft/events{/privacy}","received_events_url":"https://api.github.com/users/imatiach-msft/received_events","type":"User","site_admin":false},"created_at":"2018-08-30T22:49:10Z","updated_at":"2018-08-30T22:49:10Z","author_association":"CONTRIBUTOR","body":"@friyal  if you use the helper method featurizeData it will actually one-hot-encode the categoricals, but that is just a helper method.  LightGBMClassifier/Regressor uses the Spark ML api so it can be compatible with all spark transforms (eg CrossValidator), which only takes in a vector of doubles for the features column."}}
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