{
  "id": 588277,
  "title": "Inf and sup cuttoff",
  "url": "/competitions/ariel-data-challenge-2025/discussion/588277",
  "author_name": "Margarit Alexandru",
  "post_date": "2025-07-05T11:13:35.607000",
  "votes": 1,
  "comment_count": 2,
  "views": 0,
  "content": "<p>In the pinned notebook the dims for wavelenghts are cut to match the 282 dims. Where is the infromation on how to get the cutoff numbers ?</p>",
  "messages": [
    {
      "id": 3241925,
      "postDate": "2025-07-05T11:13:35.607Z",
      "content": "<p>In the pinned notebook the dims for wavelenghts are cut to match the 282 dims. Where is the infromation on how to get the cutoff numbers ?</p>",
      "rawMarkdown": "In the pinned notebook the dims for wavelenghts are cut to match the 282 dims. Where is the infromation on how to get the cutoff numbers ?",
      "votes": 1
    },
    {
      "id": 3242136,
      "postDate": "2025-07-05T15:55:54.673Z",
      "content": "<p>The axis_info.parquet file 2nd column contains the wavelengths for each sensor channel:</p>\n<pre><code>       -CH0-axis0-h  AIRS-CH0-axis2-um  AIRS-CH0-integration_time  \\\n      .         .               .   \n           .           .                   .   \n            .           .                   .   \n            .           .                   .   \n%            .           .                   .   \n%            .           .                   .   \n%            .           .                   .   \n            .           .                   .   \n</code></pre>\n<p>It goes from 1.633 to 4.078 um but the ground truth wavewavelengths we care about go from 1.95 to 3.23, if you ignore the very first 0.7, which is the other sensor (FGS1).</p>",
      "rawMarkdown": "The axis_info.parquet file 2nd column contains the wavelengths for each sensor channel:\n```\n       AIRS-CH0-axis0-h  AIRS-CH0-axis2-um  AIRS-CH0-integration_time  \\\ncount      11250.000000         356.000000               11250.000000   \nmean           3.749375           3.000661                   2.300000   \nstd            2.165160           0.711864                   2.200098   \nmin            0.000028           1.633253                   0.100000   \n25%            1.874701           2.407917                   0.100000   \n50%            3.749375           3.073674                   2.300000   \n75%            5.624049           3.630522                   4.500000   \nmax            7.498722           4.078463                   4.500000   \n```\nIt goes from 1.633 to 4.078 um but the ground truth wavewavelengths we care about go from 1.95 to 3.23, if you ignore the very first 0.7, which is the other sensor (FGS1).",
      "votes": 2,
      "replies": [
        {
          "id": 3242137,
          "postDate": "2025-07-05T15:57:13.483Z",
          "content": "<p>To be clear, you only want to look at the first 356 rows of that column, the rest are NaNs</p>",
          "rawMarkdown": "To be clear, you only want to look at the first 356 rows of that column, the rest are NaNs"
        }
      ]
    }
  ],
  "comments": [
    {
      "id": 3242136,
      "author_name": "SolverWorld",
      "author_url": "",
      "post_date": "2025-07-05T15:55:54.673000",
      "content": "<p>The axis_info.parquet file 2nd column contains the wavelengths for each sensor channel:</p>\n<pre><code>       -CH0-axis0-h  AIRS-CH0-axis2-um  AIRS-CH0-integration_time  \\\n      .         .               .   \n           .           .                   .   \n            .           .                   .   \n            .           .                   .   \n%            .           .                   .   \n%            .           .                   .   \n%            .           .                   .   \n            .           .                   .   \n</code></pre>\n<p>It goes from 1.633 to 4.078 um but the ground truth wavewavelengths we care about go from 1.95 to 3.23, if you ignore the very first 0.7, which is the other sensor (FGS1).</p>",
      "votes": 2,
      "replies": [
        {
          "id": 3242137,
          "author_name": "SolverWorld",
          "author_url": "",
          "post_date": "2025-07-05T15:57:13.483000",
          "content": "<p>To be clear, you only want to look at the first 356 rows of that column, the rest are NaNs</p>",
          "votes": 0,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "3241925": "In the pinned notebook the dims for wavelenghts are cut to match the 282 dims. Where is the infromation on how to get the cutoff numbers ?",
    "3242136": "The axis_info.parquet file 2nd column contains the wavelengths for each sensor channel:\n```\n       AIRS-CH0-axis0-h  AIRS-CH0-axis2-um  AIRS-CH0-integration_time  \\\ncount      11250.000000         356.000000               11250.000000   \nmean           3.749375           3.000661                   2.300000   \nstd            2.165160           0.711864                   2.200098   \nmin            0.000028           1.633253                   0.100000   \n25%            1.874701           2.407917                   0.100000   \n50%            3.749375           3.073674                   2.300000   \n75%            5.624049           3.630522                   4.500000   \nmax            7.498722           4.078463                   4.500000   \n```\nIt goes from 1.633 to 4.078 um but the ground truth wavewavelengths we care about go from 1.95 to 3.23, if you ignore the very first 0.7, which is the other sensor (FGS1)."
  }
}