{
  "id": 206098,
  "title": "Inconsistency with LB",
  "url": "/competitions/riiid-test-answer-prediction/discussion/206098",
  "author_name": "",
  "post_date": "2020-12-23T08:14:04.426936300Z",
  "votes": 5,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Hi!<br>\nThis is my first serious Kaggle competition.<br>\nI add new feature (with lectures) that don't use information about future(don't use answered_correctly e.g.). My local score improved by 0.0015, but my lb score dropped by 0.001. I use only 15 millions rows. <br>\nWhy could it be? <br>\n&nbsp;Are lectures in correct order with questions in test?<br>\nThank you!</p>",
  "messages": [
    {
      "id": "1123435",
      "postDate": "12/23/2020 08:14:04",
      "content": "<p>Hi!<br>\nThis is my first serious Kaggle competition.<br>\nI add new feature (with lectures) that don't use information about future(don't use answered_correctly e.g.). My local score improved by 0.0015, but my lb score dropped by 0.001. I use only 15 millions rows. <br>\nWhy could it be? <br>\n&nbsp;Are lectures in correct order with questions in test?<br>\nThank you!</p>",
      "rawMarkdown": "Hi!\nThis is my first serious Kaggle competition.\nI add new feature (with lectures) that don't use information about future(don't use answered_correctly e.g.). My local score improved by 0.0015, but my lb score dropped by 0.001. I use only 15 millions rows. \nWhy could it be? \n Are lectures in correct order with questions in test?\nThank you!",
      "votes": null
    },
    {
      "id": "1124876",
      "postDate": "12/24/2020 08:48:32",
      "content": "<p>I experience the same exact thing. Can anyone confirm that they can use lectures and improve both CV and LB?</p>",
      "rawMarkdown": "I experience the same exact thing. Can anyone confirm that they can use lectures and improve both CV and LB?",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1124876,
      "author_name": "aerdem4",
      "author_url": "",
      "post_date": "12/24/2020 08:48:32",
      "content": "<p>I experience the same exact thing. Can anyone confirm that they can use lectures and improve both CV and LB?</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1123435": "Hi!\nThis is my first serious Kaggle competition.\nI add new feature (with lectures) that don't use information about future(don't use answered_correctly e.g.). My local score improved by 0.0015, but my lb score dropped by 0.001. I use only 15 millions rows. \nWhy could it be? \n Are lectures in correct order with questions in test?\nThank you!",
    "1124876": "I experience the same exact thing. Can anyone confirm that they can use lectures and improve both CV and LB?"
  },
  "source": "meta"
}