{
  "id": 202637,
  "title": "Can duplicated user_ids exist in single batch of private test set?",
  "url": "/competitions/riiid-test-answer-prediction/discussion/202637",
  "author_name": "",
  "post_date": "2020-12-11T06:38:29.873160800Z",
  "votes": null,
  "comment_count": 5,
  "views": 0,
  "content": "<p>I wonder whether duplicated <code>user_id</code> can exist in single iteration batch(e.g. with different <code>content_id</code>or <code>test_container_id</code>)? </p>\n<p>I will make the code robust depending on this!</p>",
  "messages": [
    {
      "id": "1108917",
      "postDate": "12/11/2020 06:38:29",
      "content": "<p>I wonder whether duplicated <code>user_id</code> can exist in single iteration batch(e.g. with different <code>content_id</code>or <code>test_container_id</code>)? </p>\n<p>I will make the code robust depending on this!</p>",
      "rawMarkdown": "I wonder whether duplicated `user_id` can exist in single iteration batch(e.g. with different `content_id`or `test_container_id`)? \n\nI will make the code robust depending on this!",
      "votes": null
    },
    {
      "id": "1108980",
      "postDate": "12/11/2020 08:07:31",
      "content": "<p>Iterate though the test data…you will find 41 existing id and 1 new user id totalling to 108 rows through riiid env</p>",
      "rawMarkdown": "Iterate though the test data...you will find 41 existing id and 1 new user id totalling to 108 rows through riiid env",
      "votes": null
    },
    {
      "id": "1108986",
      "postDate": "12/11/2020 08:12:19",
      "content": "<p>You got me wrong..I'd like to know whether the same <code>user_id</code> can appear in a single iteration with different content_id?…</p>",
      "rawMarkdown": "You got me wrong..I'd like to know whether the same `user_id` can appear in a single iteration with different content_id?...",
      "votes": null
    },
    {
      "id": "1108990",
      "postDate": "12/11/2020 08:15:57",
      "content": "<p>That is possible if large batch size is sent by api..<br>\nSame user id solving different content id. And the different content id may repeat for the same user</p>",
      "rawMarkdown": "That is possible if large batch size is sent by api..\nSame user id solving different content id. And the different content id may repeat for the same user",
      "votes": null
    },
    {
      "id": "1116305",
      "postDate": "12/17/2020 03:58:22",
      "content": "<p>Yes,it can with different content_id but only single task_container_id</p>",
      "rawMarkdown": "Yes,it can with different content_id but only single task_container_id",
      "votes": null
    },
    {
      "id": "1116523",
      "postDate": "12/17/2020 08:24:42",
      "content": "<pre><code>The API provides user interactions groups in the order in which they occurred. Each group will contain interactions from many different users, but no more than one task_container_id of questions from any single user. Each group has between 1 and 1000 users.\n</code></pre>\n<p>Maybe <code>user_id</code> exist many times but only one <code>task_container_id</code> in a batch.</p>",
      "rawMarkdown": "```\nThe API provides user interactions groups in the order in which they occurred. Each group will contain interactions from many different users, but no more than one task_container_id of questions from any single user. Each group has between 1 and 1000 users.\n```\nMaybe ` user_id` exist many times but only one `task_container_id` in a batch.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1108980,
      "author_name": "ptrikp",
      "author_url": "",
      "post_date": "12/11/2020 08:07:31",
      "content": "<p>Iterate though the test data…you will find 41 existing id and 1 new user id totalling to 108 rows through riiid env</p>",
      "votes": null,
      "replies": [
        {
          "id": 1108986,
          "author_name": "choisgood",
          "author_url": "",
          "post_date": "12/11/2020 08:12:19",
          "content": "<p>You got me wrong..I'd like to know whether the same <code>user_id</code> can appear in a single iteration with different content_id?…</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1108990,
          "author_name": "ptrikp",
          "author_url": "",
          "post_date": "12/11/2020 08:15:57",
          "content": "<p>That is possible if large batch size is sent by api..<br>\nSame user id solving different content id. And the different content id may repeat for the same user</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1116305,
      "author_name": "gdwainwnog",
      "author_url": "",
      "post_date": "12/17/2020 03:58:22",
      "content": "<p>Yes,it can with different content_id but only single task_container_id</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1116523,
      "author_name": "m10515009",
      "author_url": "",
      "post_date": "12/17/2020 08:24:42",
      "content": "<pre><code>The API provides user interactions groups in the order in which they occurred. Each group will contain interactions from many different users, but no more than one task_container_id of questions from any single user. Each group has between 1 and 1000 users.\n</code></pre>\n<p>Maybe <code>user_id</code> exist many times but only one <code>task_container_id</code> in a batch.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1108917": "I wonder whether duplicated `user_id` can exist in single iteration batch(e.g. with different `content_id`or `test_container_id`)? \n\nI will make the code robust depending on this!",
    "1108980": "Iterate though the test data...you will find 41 existing id and 1 new user id totalling to 108 rows through riiid env",
    "1108986": "You got me wrong..I'd like to know whether the same `user_id` can appear in a single iteration with different content_id?...",
    "1108990": "That is possible if large batch size is sent by api..\nSame user id solving different content id. And the different content id may repeat for the same user",
    "1116305": "Yes,it can with different content_id but only single task_container_id",
    "1116523": "```\nThe API provides user interactions groups in the order in which they occurred. Each group will contain interactions from many different users, but no more than one task_container_id of questions from any single user. Each group has between 1 and 1000 users.\n```\nMaybe ` user_id` exist many times but only one `task_container_id` in a batch."
  },
  "source": "meta"
}