{
  "id": 200080,
  "title": "Question about validation data",
  "url": "/competitions/riiid-test-answer-prediction/discussion/200080",
  "author_name": "",
  "post_date": "2020-11-28T18:04:00.446999500Z",
  "votes": null,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Hi!<br>\nThere are only new users (user_id) used in evaluation, or there can be \"old\" users from the training set?<br>\nThanks</p>",
  "messages": [
    {
      "id": "1094553",
      "postDate": "11/28/2020 18:04:00",
      "content": "<p>Hi!<br>\nThere are only new users (user_id) used in evaluation, or there can be \"old\" users from the training set?<br>\nThanks</p>",
      "rawMarkdown": "Hi!\nThere are only new users (user_id) used in evaluation, or there can be \"old\" users from the training set?\nThanks",
      "votes": null
    },
    {
      "id": "1094557",
      "postDate": "11/28/2020 18:08:39",
      "content": "<p>Both old and new users - from the <a href=\"https://www.kaggle.com/c/riiid-test-answer-prediction/data\" target=\"_blank\">data page</a> \"Some users will appear in the hidden test set that have NOT been presented in the train set,\" </p>",
      "rawMarkdown": "Both old and new users - from the [data page](https://www.kaggle.com/c/riiid-test-answer-prediction/data) \"Some users will appear in the hidden test set that have NOT been presented in the train set,\"",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1094557,
      "author_name": "rashmibanthia",
      "author_url": "",
      "post_date": "11/28/2020 18:08:39",
      "content": "<p>Both old and new users - from the <a href=\"https://www.kaggle.com/c/riiid-test-answer-prediction/data\" target=\"_blank\">data page</a> \"Some users will appear in the hidden test set that have NOT been presented in the train set,\" </p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1094553": "Hi!\nThere are only new users (user_id) used in evaluation, or there can be \"old\" users from the training set?\nThanks",
    "1094557": "Both old and new users - from the [data page](https://www.kaggle.com/c/riiid-test-answer-prediction/data) \"Some users will appear in the hidden test set that have NOT been presented in the train set,\""
  },
  "source": "meta"
}