{
  "id": 21015,
  "title": "Thoughts on user_id",
  "url": "/competitions/expedia-hotel-recommendations/discussion/21015",
  "author_name": "",
  "post_date": "2016-05-17T13:49:54.797Z",
  "votes": null,
  "comment_count": 3,
  "views": 780,
  "content": "<p>Does it make sense to make any decision based on user_id?\nI know all users on test.csv are present on train.csv but in reality we&#8217;d like to build a model to predict new users, right?</p>\n\n<p>Any thoughts on this?\nThanks</p>",
  "messages": [
    {
      "id": "120331",
      "postDate": "05/17/2016 13:49:54",
      "content": "<p>Does it make sense to make any decision based on user_id?\nI know all users on test.csv are present on train.csv but in reality we&#8217;d like to build a model to predict new users, right?</p>\n\n<p>Any thoughts on this?\nThanks</p>",
      "rawMarkdown": "Does it make sense to make any decision based on user_id?\r\nI know all users on test.csv are present on train.csv but in reality we’d like to build a model to predict new users, right?\r\n\r\nAny thoughts on this?\r\nThanks",
      "votes": null
    },
    {
      "id": "121037",
      "postDate": "05/23/2016 06:24:18",
      "content": "<p>Yes, it's a good idea to try.</p>",
      "rawMarkdown": "Yes, it's a good idea to try.",
      "votes": null
    },
    {
      "id": "121041",
      "postDate": "05/23/2016 07:24:43",
      "content": "<p>My experience so far suggests keeping user_id tends over fit easily.</p>",
      "rawMarkdown": "My experience so far suggests keeping user_id tends over fit easily.",
      "votes": null
    },
    {
      "id": "121056",
      "postDate": "05/23/2016 10:25:37",
      "content": "<p>[quote=italo;120331]</p>\n\n<p>Does it make sense to make any decision based on user_id?</p>\n\n<p>[/quote]</p>\n\n<p>Yes, it does. It is the aim of the competition.</p>",
      "rawMarkdown": "[quote=italo;120331]\r\n\r\nDoes it make sense to make any decision based on user_id?\r\n\r\n[/quote]\r\n\r\nYes, it does. It is the aim of the competition.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 121037,
      "author_name": "siliconvalley",
      "author_url": "",
      "post_date": "05/23/2016 06:24:18",
      "content": "<p>Yes, it's a good idea to try.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 121041,
      "author_name": "phegde",
      "author_url": "",
      "post_date": "05/23/2016 07:24:43",
      "content": "<p>My experience so far suggests keeping user_id tends over fit easily.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 121056,
      "author_name": "sionek",
      "author_url": "",
      "post_date": "05/23/2016 10:25:37",
      "content": "<p>[quote=italo;120331]</p>\n\n<p>Does it make sense to make any decision based on user_id?</p>\n\n<p>[/quote]</p>\n\n<p>Yes, it does. It is the aim of the competition.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "120331": "Does it make sense to make any decision based on user_id?\r\nI know all users on test.csv are present on train.csv but in reality we’d like to build a model to predict new users, right?\r\n\r\nAny thoughts on this?\r\nThanks",
    "121037": "Yes, it's a good idea to try.",
    "121041": "My experience so far suggests keeping user_id tends over fit easily.",
    "121056": "[quote=italo;120331]\r\n\r\nDoes it make sense to make any decision based on user_id?\r\n\r\n[/quote]\r\n\r\nYes, it does. It is the aim of the competition."
  },
  "source": "meta"
}