{"action":"created","issue":{"url":"https://api.github.com/repos/PredictionIO/template-scala-parallel-recommendation/issues/3","labels_url":"https://api.github.com/repos/PredictionIO/template-scala-parallel-recommendation/issues/3/labels{/name}","comments_url":"https://api.github.com/repos/PredictionIO/template-scala-parallel-recommendation/issues/3/comments","events_url":"https://api.github.com/repos/PredictionIO/template-scala-parallel-recommendation/issues/3/events","html_url":"https://github.com/PredictionIO/template-scala-parallel-recommendation/issues/3","id":60944225,"number":3,"title":"Evaluation","user":{"login":"nickpoorman","id":233103,"avatar_url":"https://avatars.githubusercontent.com/u/233103?v=3","gravatar_id":"","url":"https://api.github.com/users/nickpoorman","html_url":"https://github.com/nickpoorman","followers_url":"https://api.github.com/users/nickpoorman/followers","following_url":"https://api.github.com/users/nickpoorman/following{/other_user}","gists_url":"https://api.github.com/users/nickpoorman/gists{/gist_id}","starred_url":"https://api.github.com/users/nickpoorman/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nickpoorman/subscriptions","organizations_url":"https://api.github.com/users/nickpoorman/orgs","repos_url":"https://api.github.com/users/nickpoorman/repos","events_url":"https://api.github.com/users/nickpoorman/events{/privacy}","received_events_url":"https://api.github.com/users/nickpoorman/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-03-13T00:20:49Z","updated_at":"2015-03-13T00:28:42Z","closed_at":null,"body":"It would be great if this had Evaluation implemented with a cross validation mse or something to gauge how well it's working."},"comment":{"url":"https://api.github.com/repos/PredictionIO/template-scala-parallel-recommendation/issues/comments/78714536","html_url":"https://github.com/PredictionIO/template-scala-parallel-recommendation/issues/3#issuecomment-78714536","issue_url":"https://api.github.com/repos/PredictionIO/template-scala-parallel-recommendation/issues/3","id":78714536,"user":{"login":"yipjustin","id":1113300,"avatar_url":"https://avatars.githubusercontent.com/u/1113300?v=3","gravatar_id":"","url":"https://api.github.com/users/yipjustin","html_url":"https://github.com/yipjustin","followers_url":"https://api.github.com/users/yipjustin/followers","following_url":"https://api.github.com/users/yipjustin/following{/other_user}","gists_url":"https://api.github.com/users/yipjustin/gists{/gist_id}","starred_url":"https://api.github.com/users/yipjustin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yipjustin/subscriptions","organizations_url":"https://api.github.com/users/yipjustin/orgs","repos_url":"https://api.github.com/users/yipjustin/repos","events_url":"https://api.github.com/users/yipjustin/events{/privacy}","received_events_url":"https://api.github.com/users/yipjustin/received_events","type":"User","site_admin":false},"created_at":"2015-03-13T00:28:42Z","updated_at":"2015-03-13T00:28:42Z","body":"Hi Nicholas,\r\n\r\nPredictionIO has just released a new version (0.9.0) which supports evaluation. (see http://docs.prediction.io/evaluation/paramtuning/)\r\n\r\nWe have demonstrate it with the classification template (https://github.com/PredictionIO/template-scala-parallel-classification/blob/develop/src/main/scala/Evaluation.scala).\r\n\r\nYou should be able to implement a MSE cross-validation with few lines of code.\r\n\r\nJustin"}}