{
  "id": 555300,
  "title": "Is data_id coherent?",
  "url": "/competitions/jane-street-real-time-market-data-forecasting/discussion/555300",
  "author_name": "",
  "post_date": "2025-01-06T14:46:42.148808500Z",
  "votes": null,
  "comment_count": 2,
  "views": 0,
  "content": "<p>The <code>date_id</code> of the train set is coherent, from 0~1698. The <code>date_id</code> of the test set is calculated from 0, is it also coherent?</p>",
  "messages": [
    {
      "id": "3089806",
      "postDate": "01/06/2025 14:46:42",
      "content": "<p>The <code>date_id</code> of the train set is coherent, from 0~1698. The <code>date_id</code> of the test set is calculated from 0, is it also coherent?</p>",
      "rawMarkdown": "The `date_id` of the train set is coherent, from 0~1698. The `date_id` of the test set is calculated from 0, is it also coherent?",
      "votes": null
    },
    {
      "id": "3089853",
      "postDate": "01/06/2025 15:58:02",
      "content": "<p>I asked a <a href=\"https://www.kaggle.com/competitions/jane-street-real-time-market-data-forecasting/discussion/554284\" target=\"_blank\">similar question</a> couple days ago but I haven't yet received any reply. I think nobody can be certain whether the test data comes directly right after then train data.</p>",
      "rawMarkdown": "I asked a [similar question](https://www.kaggle.com/competitions/jane-street-real-time-market-data-forecasting/discussion/554284) couple days ago but I haven't yet received any reply. I think nobody can be certain whether the test data comes directly right after then train data.",
      "votes": null
    },
    {
      "id": "3090170",
      "postDate": "01/07/2025 01:09:06",
      "content": "<p>I believe that for the test set, it should commence from 0. In case you're concerned about concatenating the historical data, maybe you could simply assign negative numbers to the date_ids of the historical cache.</p>",
      "rawMarkdown": "I believe that for the test set, it should commence from 0. In case you're concerned about concatenating the historical data, maybe you could simply assign negative numbers to the date_ids of the historical cache.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 3089853,
      "author_name": "ccyhui",
      "author_url": "",
      "post_date": "01/06/2025 15:58:02",
      "content": "<p>I asked a <a href=\"https://www.kaggle.com/competitions/jane-street-real-time-market-data-forecasting/discussion/554284\" target=\"_blank\">similar question</a> couple days ago but I haven't yet received any reply. I think nobody can be certain whether the test data comes directly right after then train data.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 3090170,
      "author_name": "carrotwait",
      "author_url": "",
      "post_date": "01/07/2025 01:09:06",
      "content": "<p>I believe that for the test set, it should commence from 0. In case you're concerned about concatenating the historical data, maybe you could simply assign negative numbers to the date_ids of the historical cache.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3089806": "The `date_id` of the train set is coherent, from 0~1698. The `date_id` of the test set is calculated from 0, is it also coherent?",
    "3089853": "I asked a [similar question](https://www.kaggle.com/competitions/jane-street-real-time-market-data-forecasting/discussion/554284) couple days ago but I haven't yet received any reply. I think nobody can be certain whether the test data comes directly right after then train data.",
    "3090170": "I believe that for the test set, it should commence from 0. In case you're concerned about concatenating the historical data, maybe you could simply assign negative numbers to the date_ids of the historical cache."
  },
  "source": "meta"
}