{
  "id": 44873,
  "title": "In public leaderboard we trust... Rigth or Wrong?",
  "url": "/competitions/kkbox-churn-prediction-challenge/discussion/44873",
  "author_name": "",
  "post_date": "2017-12-03T17:58:31.222383500Z",
  "votes": null,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Considering that version 1 of member.csv file (the one containing future data) once was public, and also that many of us (me included) had access to it, the current public leader board may have a lot of questionable scores. What score do you think  a \"future data free\" submission may reach?</p>",
  "messages": [
    {
      "id": "252729",
      "postDate": "12/03/2017 17:58:31",
      "content": "<p>Considering that version 1 of member.csv file (the one containing future data) once was public, and also that many of us (me included) had access to it, the current public leader board may have a lot of questionable scores. What score do you think  a \"future data free\" submission may reach?</p>",
      "rawMarkdown": "Considering that version 1 of member.csv file (the one containing future data) once was public, and also that many of us (me included) had access to it, the current public leader board may have a lot of questionable scores. What score do you think  a \"future data free\" submission may reach?",
      "votes": null
    },
    {
      "id": "252763",
      "postDate": "12/03/2017 20:03:16",
      "content": "<p>Thanks for asking a question that I think is being asked by many others. </p>\n\n<p>To me, if the members.csv file is not accessible to everyone that is competing in the contest, then it is not public information.  Thus, any model that uses it should be disqualified.  I think it will be controversial for the KKbox administration to justify allowing the use of the data when they themselves have removed it from the download files.  </p>\n\n<p>I also totally agree with your last point.  To the extent that a model is based on information that would not be available to KKbox at the time of scoring, the model is useless to them for their business.  They will get a model whose input information relies on a crystal ball.  From a business perspective, this competition would have no value to them.   </p>",
      "rawMarkdown": "Thanks for asking a question that I think is being asked by many others. \n\nTo me, if the members.csv file is not accessible to everyone that is competing in the contest, then it is not public information.  Thus, any model that uses it should be disqualified.  I think it will be controversial for the KKbox administration to justify allowing the use of the data when they themselves have removed it from the download files.  \n\nI also totally agree with your last point.  To the extent that a model is based on information that would not be available to KKbox at the time of scoring, the model is useless to them for their business.  They will get a model whose input information relies on a crystal ball.  From a business perspective, this competition would have no value to them.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 252763,
      "author_name": "",
      "author_url": "",
      "post_date": "12/03/2017 20:03:16",
      "content": "<p>Thanks for asking a question that I think is being asked by many others. </p>\n\n<p>To me, if the members.csv file is not accessible to everyone that is competing in the contest, then it is not public information.  Thus, any model that uses it should be disqualified.  I think it will be controversial for the KKbox administration to justify allowing the use of the data when they themselves have removed it from the download files.  </p>\n\n<p>I also totally agree with your last point.  To the extent that a model is based on information that would not be available to KKbox at the time of scoring, the model is useless to them for their business.  They will get a model whose input information relies on a crystal ball.  From a business perspective, this competition would have no value to them.   </p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "252729": "Considering that version 1 of member.csv file (the one containing future data) once was public, and also that many of us (me included) had access to it, the current public leader board may have a lot of questionable scores. What score do you think  a \"future data free\" submission may reach?",
    "252763": "Thanks for asking a question that I think is being asked by many others. \n\nTo me, if the members.csv file is not accessible to everyone that is competing in the contest, then it is not public information.  Thus, any model that uses it should be disqualified.  I think it will be controversial for the KKbox administration to justify allowing the use of the data when they themselves have removed it from the download files.  \n\nI also totally agree with your last point.  To the extent that a model is based on information that would not be available to KKbox at the time of scoring, the model is useless to them for their business.  They will get a model whose input information relies on a crystal ball.  From a business perspective, this competition would have no value to them."
  },
  "source": "meta"
}