{
  "id": 602622,
  "title": "what is wavelength file ",
  "url": "/competitions/ariel-data-challenge-2025/discussion/602622",
  "author_name": "Michael Kamal",
  "post_date": "2025-08-28T19:36:15.437000",
  "votes": 0,
  "comment_count": 1,
  "views": 0,
  "content": "<p>wavelengths.csv The wavelength grid for each ground truth spectrum in the dataset.</p>\n<p>but i can't understand how we can use it !!! anyone can tell me pleas</p>",
  "messages": [
    {
      "id": 3278100,
      "postDate": "2025-08-29T08:12:59.237Z",
      "content": "<p>If in your model the results are treated as independent in lambda, then you don't care and you can work with index. But if you want to add constraints across lambda, you may want to switch to proper lambda scale as the bins are not equidistant. </p>",
      "rawMarkdown": "If in your model the results are treated as independent in lambda, then you don't care and you can work with index. But if you want to add constraints across lambda, you may want to switch to proper lambda scale as the bins are not equidistant. "
    },
    {
      "id": 3277872,
      "postDate": "2025-08-28T19:36:15.437Z",
      "content": "<p>wavelengths.csv The wavelength grid for each ground truth spectrum in the dataset.</p>\n<p>but i can't understand how we can use it !!! anyone can tell me pleas</p>",
      "rawMarkdown": "wavelengths.csv The wavelength grid for each ground truth spectrum in the dataset.\n\n but i can't understand how we can use it !!! anyone can tell me pleas"
    }
  ],
  "comments": [
    {
      "id": 3278100,
      "author_name": "Oleh Kivernyk",
      "author_url": "",
      "post_date": "2025-08-29T08:12:59.237000",
      "content": "<p>If in your model the results are treated as independent in lambda, then you don't care and you can work with index. But if you want to add constraints across lambda, you may want to switch to proper lambda scale as the bins are not equidistant. </p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3278100": "If in your model the results are treated as independent in lambda, then you don't care and you can work with index. But if you want to add constraints across lambda, you may want to switch to proper lambda scale as the bins are not equidistant. ",
    "3277872": "wavelengths.csv The wavelength grid for each ground truth spectrum in the dataset.\n\n but i can't understand how we can use it !!! anyone can tell me pleas"
  }
}