{"action":"created","issue":{"url":"https://api.github.com/repos/phetsims/least-squares-regression/issues/58","repository_url":"https://api.github.com/repos/phetsims/least-squares-regression","labels_url":"https://api.github.com/repos/phetsims/least-squares-regression/issues/58/labels{/name}","comments_url":"https://api.github.com/repos/phetsims/least-squares-regression/issues/58/comments","events_url":"https://api.github.com/repos/phetsims/least-squares-regression/issues/58/events","html_url":"https://github.com/phetsims/least-squares-regression/issues/58","id":144337853,"number":58,"title":"Automated Testing Sim Error (3/29/2016 10:00 AM)","user":{"login":"phet-steele","id":5863899,"avatar_url":"https://avatars.githubusercontent.com/u/5863899?v=3","gravatar_id":"","url":"https://api.github.com/users/phet-steele","html_url":"https://github.com/phet-steele","followers_url":"https://api.github.com/users/phet-steele/followers","following_url":"https://api.github.com/users/phet-steele/following{/other_user}","gists_url":"https://api.github.com/users/phet-steele/gists{/gist_id}","starred_url":"https://api.github.com/users/phet-steele/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/phet-steele/subscriptions","organizations_url":"https://api.github.com/users/phet-steele/orgs","repos_url":"https://api.github.com/users/phet-steele/repos","events_url":"https://api.github.com/users/phet-steele/events{/privacy}","received_events_url":"https://api.github.com/users/phet-steele/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/phetsims/least-squares-regression/labels/type:bug","name":"type:bug","color":"FF00AA"}],"state":"open","locked":false,"assignee":{"login":"jessegreenberg","id":6396244,"avatar_url":"https://avatars.githubusercontent.com/u/6396244?v=3","gravatar_id":"","url":"https://api.github.com/users/jessegreenberg","html_url":"https://github.com/jessegreenberg","followers_url":"https://api.github.com/users/jessegreenberg/followers","following_url":"https://api.github.com/users/jessegreenberg/following{/other_user}","gists_url":"https://api.github.com/users/jessegreenberg/gists{/gist_id}","starred_url":"https://api.github.com/users/jessegreenberg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jessegreenberg/subscriptions","organizations_url":"https://api.github.com/users/jessegreenberg/orgs","repos_url":"https://api.github.com/users/jessegreenberg/repos","events_url":"https://api.github.com/users/jessegreenberg/events{/privacy}","received_events_url":"https://api.github.com/users/jessegreenberg/received_events","type":"User","site_admin":false},"milestone":null,"comments":3,"created_at":"2016-03-29T17:44:06Z","updated_at":"2016-03-30T22:47:31Z","closed_at":null,"body":"```\r\nUncaught Error: duplicates are not allowed\r\nError: duplicates are not allowed\r\n    at ObservableArray.inherit.push (http://phettest.colorado.edu/axon/js/ObservableArray.js?bust=1459268829434:228:15)\r\n    at http://phettest.colorado.edu/least-squares-regression/js/least-squares-regression/model/LeastSquaresRegressionModel.js?bust=1459268829434:110:32\r\n    at Array.forEach (native)\r\n    at Array. (http://phettest.colorado.edu/least-squares-regression/js/least-squares-regression/model/LeastSquaresRegressionModel.js?bust=1459268829434:109:31)\r\n    at Emitter.inherit.emit2 (http://phettest.colorado.edu/axon/js/Emitter.js?bust=1459268829434:139:49)\r\n    at Property.inherit._notifyObservers (http://phettest.colorado.edu/axon/js/Property.js?bust=1459268829434:129:29)\r\n    at Property.inherit._setAndNotifyObservers (http://phettest.colorado.edu/axon/js/Property.js?bust=1459268829434:117:14)\r\n    at Property.inherit.set (http://phettest.colorado.edu/axon/js/Property.js?bust=1459268829434:85:16)\r\n    at Property.inherit.reset (http://phettest.colorado.edu/axon/js/Property.js?bust=1459268829434:151:14)\r\n    at http://phettest.colorado.edu/axon/js/PropertySet.js?bust=1459268829434:171:37\r\n```"},"comment":{"url":"https://api.github.com/repos/phetsims/least-squares-regression/issues/comments/203671854","html_url":"https://github.com/phetsims/least-squares-regression/issues/58#issuecomment-203671854","issue_url":"https://api.github.com/repos/phetsims/least-squares-regression/issues/58","id":203671854,"user":{"login":"jessegreenberg","id":6396244,"avatar_url":"https://avatars.githubusercontent.com/u/6396244?v=3","gravatar_id":"","url":"https://api.github.com/users/jessegreenberg","html_url":"https://github.com/jessegreenberg","followers_url":"https://api.github.com/users/jessegreenberg/followers","following_url":"https://api.github.com/users/jessegreenberg/following{/other_user}","gists_url":"https://api.github.com/users/jessegreenberg/gists{/gist_id}","starred_url":"https://api.github.com/users/jessegreenberg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jessegreenberg/subscriptions","organizations_url":"https://api.github.com/users/jessegreenberg/orgs","repos_url":"https://api.github.com/users/jessegreenberg/repos","events_url":"https://api.github.com/users/jessegreenberg/events{/privacy}","received_events_url":"https://api.github.com/users/jessegreenberg/received_events","type":"User","site_admin":false},"created_at":"2016-03-30T22:47:31Z","updated_at":"2016-03-30T22:47:31Z","body":"I can reproduce this now.  Every other time I switch from a real data set to a custom data set we get a duplicate entry in the dataPoints observable array."}}