{
  "id": 73815,
  "title": "duplicate merchant id",
  "url": "/competitions/elo-merchant-category-recommendation/discussion/73815",
  "author_name": "",
  "post_date": "2018-12-05T20:08:30.835008Z",
  "votes": 5,
  "comment_count": 1,
  "views": 0,
  "content": "<p>There is a total number of 334696 merchant data, with only 334633 uniqie merchant id. I would assume that the difference is caused by the time, but I can't find any related variable in the merchant data. Also, it turns out for the same merchant id, it can belong to different merchang groups. For example, the merchant id = M_ID_bd49e37dda has four records and two belong to merchant group id 35, and the other two belong to 4170. Does anyone have an idea of what's going on, or we just treat them as data error?</p>",
  "messages": [
    {
      "id": "434037",
      "postDate": "12/05/2018 20:08:30",
      "content": "<p>There is a total number of 334696 merchant data, with only 334633 uniqie merchant id. I would assume that the difference is caused by the time, but I can't find any related variable in the merchant data. Also, it turns out for the same merchant id, it can belong to different merchang groups. For example, the merchant id = M_ID_bd49e37dda has four records and two belong to merchant group id 35, and the other two belong to 4170. Does anyone have an idea of what's going on, or we just treat them as data error?</p>",
      "rawMarkdown": "There is a total number of 334696 merchant data, with only 334633 uniqie merchant id. I would assume that the difference is caused by the time, but I can't find any related variable in the merchant data. Also, it turns out for the same merchant id, it can belong to different merchang groups. For example, the merchant id = M_ID_bd49e37dda has four records and two belong to merchant group id 35, and the other two belong to 4170. Does anyone have an idea of what's going on, or we just treat them as data error?",
      "votes": null
    },
    {
      "id": "443697",
      "postDate": "12/22/2018 07:24:03",
      "content": "<p>I have the same concern but since duplicates are very small 63 merchant ID out of 334633 unique merchant ID (i.e. ~ 0.01%). I am assuming it to be data error or some kind of update of the merchant information.</p>",
      "rawMarkdown": "I have the same concern but since duplicates are very small 63 merchant ID out of 334633 unique merchant ID (i.e. ~ 0.01%). I am assuming it to be data error or some kind of update of the merchant information.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 443697,
      "author_name": "vibs23",
      "author_url": "",
      "post_date": "12/22/2018 07:24:03",
      "content": "<p>I have the same concern but since duplicates are very small 63 merchant ID out of 334633 unique merchant ID (i.e. ~ 0.01%). I am assuming it to be data error or some kind of update of the merchant information.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "434037": "There is a total number of 334696 merchant data, with only 334633 uniqie merchant id. I would assume that the difference is caused by the time, but I can't find any related variable in the merchant data. Also, it turns out for the same merchant id, it can belong to different merchang groups. For example, the merchant id = M_ID_bd49e37dda has four records and two belong to merchant group id 35, and the other two belong to 4170. Does anyone have an idea of what's going on, or we just treat them as data error?",
    "443697": "I have the same concern but since duplicates are very small 63 merchant ID out of 334633 unique merchant ID (i.e. ~ 0.01%). I am assuming it to be data error or some kind of update of the merchant information."
  },
  "source": "meta"
}