{
  "id": 40890,
  "title": "About the split of test data on Leaderboard",
  "url": "/competitions/kkbox-churn-prediction-challenge/discussion/40890",
  "author_name": "",
  "post_date": "2017-10-10T04:32:17.288694500Z",
  "votes": null,
  "comment_count": 1,
  "views": 0,
  "content": "<blockquote>\n  <p>This leaderboard is calculated with approximately 40% of the test\n  data.</p>\n</blockquote>\n\n<p>My questions is: </p>\n\n<p>Are the test data on public and private leaderboard split randomly or selected according to the members' expire_date? I think it is important for competitors to choose the training dataset more reasonably.</p>",
  "messages": [
    {
      "id": "229626",
      "postDate": "10/10/2017 04:32:17",
      "content": "<blockquote>\n  <p>This leaderboard is calculated with approximately 40% of the test\n  data.</p>\n</blockquote>\n\n<p>My questions is: </p>\n\n<p>Are the test data on public and private leaderboard split randomly or selected according to the members' expire_date? I think it is important for competitors to choose the training dataset more reasonably.</p>",
      "rawMarkdown": "&gt; This leaderboard is calculated with approximately 40% of the test\n&gt; data.\n\nMy questions is: \n\nAre the test data on public and private leaderboard split randomly or selected according to the members' expire_date? I think it is important for competitors to choose the training dataset more reasonably.",
      "votes": null
    },
    {
      "id": "229728",
      "postDate": "10/10/2017 09:05:19",
      "content": "<p>Description says:</p>\n\n<p><code>\nTrain and test sets are split by transaction date, as well as the public and private leaderboard data.\n</code></p>",
      "rawMarkdown": "Description says:\n\n```\nTrain and test sets are split by transaction date, as well as the public and private leaderboard data.\n```",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 229728,
      "author_name": "pepeeee",
      "author_url": "",
      "post_date": "10/10/2017 09:05:19",
      "content": "<p>Description says:</p>\n\n<p><code>\nTrain and test sets are split by transaction date, as well as the public and private leaderboard data.\n</code></p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "229626": "&gt; This leaderboard is calculated with approximately 40% of the test\n&gt; data.\n\nMy questions is: \n\nAre the test data on public and private leaderboard split randomly or selected according to the members' expire_date? I think it is important for competitors to choose the training dataset more reasonably.",
    "229728": "Description says:\n\n```\nTrain and test sets are split by transaction date, as well as the public and private leaderboard data.\n```"
  },
  "source": "meta"
}