{
  "id": 13927,
  "title": "Bidders sticking to only 1 merchandise? No spread",
  "url": "/competitions/facebook-recruiting-iv-human-or-bot/discussion/13927",
  "author_name": "Karan Sarao",
  "post_date": "2015-05-02T01:11:54.047000",
  "votes": 12,
  "comment_count": 3,
  "views": 921,
  "content": "<p>seems to me that there is 1 to 1 relationship between bidder_id and merchandise, i.e. all bidders have taken part in only 1 category of merchandise - while they may have taken part in multiple auctions.&nbsp;</p>\n\n<p>Unique Bidder_ID to Merchandise relations - 6615, Unique bidder_ids - 6614. It seems only 1 bidder has bid across 2 merchandise classes.</p>\n\n<p>Seems a little improbable. Wanted to check the spread of bidders. i.e. an automated bidder may be spread more or less across merchandise classes than a manual bidder - but this hypothesis cant even be tested as there is no spread in this data.</p>",
  "messages": [
    {
      "id": 76004,
      "postDate": "2015-05-02T01:11:54.047Z",
      "content": "<p>seems to me that there is 1 to 1 relationship between bidder_id and merchandise, i.e. all bidders have taken part in only 1 category of merchandise - while they may have taken part in multiple auctions.&nbsp;</p>\n\n<p>Unique Bidder_ID to Merchandise relations - 6615, Unique bidder_ids - 6614. It seems only 1 bidder has bid across 2 merchandise classes.</p>\n\n<p>Seems a little improbable. Wanted to check the spread of bidders. i.e. an automated bidder may be spread more or less across merchandise classes than a manual bidder - but this hypothesis cant even be tested as there is no spread in this data.</p>",
      "votes": 12
    },
    {
      "id": 76403,
      "postDate": "2015-05-03T19:19:03.013Z",
      "content": "<p>Exactly. I felt the same. The &quot;merchandise&quot; column&nbsp;is supposed to give some key information about the user behavior but in this case it is not.</p>",
      "votes": 1
    },
    {
      "id": 76352,
      "postDate": "2015-05-03T16:25:59.233Z",
      "content": "<p>Yes, I found this either</p>"
    },
    {
      "id": 1083790,
      "postDate": "2020-11-19T11:43:33.783Z",
      "rawMarkdown": "",
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 76403,
      "author_name": "Venkatesh Pappakrishnan",
      "author_url": "",
      "post_date": "2015-05-03T19:19:03.013000",
      "content": "<p>Exactly. I felt the same. The &quot;merchandise&quot; column&nbsp;is supposed to give some key information about the user behavior but in this case it is not.</p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 76352,
      "author_name": "Jiming Ye",
      "author_url": "",
      "post_date": "2015-05-03T16:25:59.233000",
      "content": "<p>Yes, I found this either</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 1083790,
      "author_name": "",
      "author_url": "",
      "post_date": "2020-11-19T11:43:33.783000",
      "content": "",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "76004": "",
    "76403": "",
    "76352": "",
    "1083790": ""
  }
}