{
  "id": 5961,
  "title": "Evaluation",
  "url": "/competitions/expedia-personalized-sort/discussion/5961",
  "author_name": "",
  "post_date": "2013-10-04T12:46:54.927Z",
  "votes": null,
  "comment_count": 1,
  "views": 992,
  "content": "<p>Hi,</p>\n<p>&nbsp;</p>\n<p>Until now I do not understand how to calculate IDCG, which data set should I use?</p>",
  "messages": [
    {
      "id": "32022",
      "postDate": "10/04/2013 12:46:54",
      "content": "<p>Hi,</p>\n<p>&nbsp;</p>\n<p>Until now I do not understand how to calculate IDCG, which data set should I use?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "32023",
      "postDate": "10/04/2013 13:11:38",
      "content": "<p>in https://www.kaggle.com/c/expedia-personalized-sort/forums/t/5667/how-do-i-cross-validate I posted about how to do it. The formatting is bad (I asked kaggle's people why, they said there may be some rendering bug) but the part explaining idcg isn't messed up. </p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 32023,
      "author_name": "totalnovice",
      "author_url": "",
      "post_date": "10/04/2013 13:11:38",
      "content": "<p>in https://www.kaggle.com/c/expedia-personalized-sort/forums/t/5667/how-do-i-cross-validate I posted about how to do it. The formatting is bad (I asked kaggle's people why, they said there may be some rendering bug) but the part explaining idcg isn't messed up. </p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "32022": "",
    "32023": ""
  },
  "source": "meta"
}