{
  "id": 27027,
  "title": "about document_id in events",
  "url": "/competitions/outbrain-click-prediction/discussion/27027",
  "author_name": "",
  "post_date": "2016-12-28T17:22:02.090Z",
  "votes": null,
  "comment_count": 2,
  "views": 271,
  "content": "<p>i have a problem about how to join events and clicks_train.\nbecause ,i found key display_id can not be used.</p>\n\n<p>for example ,\nin events i got ,20,650e3b5699738b,1642724,1282,2,US&gt;MI&gt;505.\nwhich  means document_id are viewed in display_id 20.</p>\n\n<p>but  i got display_id 20 in clicks_train.csv and i linked ad_id to document_id , here, i find 1642724 are not in document_id set .</p>\n\n<p>this annoyed me a lot , needs help</p>",
  "messages": [
    {
      "id": "152821",
      "postDate": "12/28/2016 17:22:02",
      "content": "<p>i have a problem about how to join events and clicks_train.\nbecause ,i found key display_id can not be used.</p>\n\n<p>for example ,\nin events i got ,20,650e3b5699738b,1642724,1282,2,US&gt;MI&gt;505.\nwhich  means document_id are viewed in display_id 20.</p>\n\n<p>but  i got display_id 20 in clicks_train.csv and i linked ad_id to document_id , here, i find 1642724 are not in document_id set .</p>\n\n<p>this annoyed me a lot , needs help</p>",
      "rawMarkdown": "i have a problem about how to join events and clicks_train.\r\nbecause ,i found key display_id can not be used.\r\n\r\nfor example ,\r\nin events i got ,20,650e3b5699738b,1642724,1282,2,US>MI>505.\r\nwhich  means document_id are viewed in display_id 20.\r\n\r\nbut  i got display_id 20 in clicks_train.csv and i linked ad_id to document_id , here, i find 1642724 are not in document_id set .\r\n\r\nthis annoyed me a lot , needs help",
      "votes": null
    },
    {
      "id": "153050",
      "postDate": "12/29/2016 16:54:27",
      "content": "<p>@BIGAN There're two kinds of document_id. One is when you join the clicks_train.csv with event.csv on documentid. The other is when you join the the clicks_train with promoted_content.csv on document_id. There won't be overlap in each display_id --&gt;document_id  and ad_id--&gt;document_id. </p>",
      "rawMarkdown": "BIGAN There're two kinds of document_id. One is when you join the clicks_train.csv with event.csv on documentid. The other is when you join the the clicks_train with promoted_content.csv on document_id. There won't be overlap in each display_id -->document_id  and ad_id-->document_id.",
      "votes": null
    },
    {
      "id": "153459",
      "postDate": "01/01/2017 16:31:06",
      "content": "<p>thanks a lot ... i got it.</p>",
      "rawMarkdown": "thanks a lot ... i got it.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 153050,
      "author_name": "beedata",
      "author_url": "",
      "post_date": "12/29/2016 16:54:27",
      "content": "<p>@BIGAN There're two kinds of document_id. One is when you join the clicks_train.csv with event.csv on documentid. The other is when you join the the clicks_train with promoted_content.csv on document_id. There won't be overlap in each display_id --&gt;document_id  and ad_id--&gt;document_id. </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 153459,
      "author_name": "",
      "author_url": "",
      "post_date": "01/01/2017 16:31:06",
      "content": "<p>thanks a lot ... i got it.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "152821": "i have a problem about how to join events and clicks_train.\r\nbecause ,i found key display_id can not be used.\r\n\r\nfor example ,\r\nin events i got ,20,650e3b5699738b,1642724,1282,2,US>MI>505.\r\nwhich  means document_id are viewed in display_id 20.\r\n\r\nbut  i got display_id 20 in clicks_train.csv and i linked ad_id to document_id , here, i find 1642724 are not in document_id set .\r\n\r\nthis annoyed me a lot , needs help",
    "153050": "BIGAN There're two kinds of document_id. One is when you join the clicks_train.csv with event.csv on documentid. The other is when you join the the clicks_train with promoted_content.csv on document_id. There won't be overlap in each display_id -->document_id  and ad_id-->document_id.",
    "153459": "thanks a lot ... i got it."
  },
  "source": "meta"
}