{
  "id": 470703,
  "title": "why test has only 3 columns?",
  "url": "/competitions/hms-harmful-brain-activity-classification/discussion/470703",
  "author_name": "RaML-SMART",
  "post_date": "2024-01-25T07:48:01.924000",
  "votes": 1,
  "comment_count": 4,
  "views": 0,
  "content": "<p>why test has only 3 columns?</p>",
  "messages": [
    {
      "id": 2619093,
      "postDate": "2024-01-25T07:48:01.923Z",
      "content": "<p>why test has only 3 columns?</p>",
      "rawMarkdown": "why test has only 3 columns?",
      "votes": 1
    },
    {
      "id": 2624767,
      "postDate": "2024-01-29T00:57:57.463Z",
      "content": "<p>Is the region of interest always in the center (300 s from the beginning of the spectrogram) of the testing spectrogram? </p>",
      "rawMarkdown": "Is the region of interest always in the center (300 s from the beginning of the spectrogram) of the testing spectrogram? "
    },
    {
      "id": 2619306,
      "postDate": "2024-01-25T11:57:01.570Z",
      "content": "<p>Test only has 3 columns because ever test EEG parquet is <strong>only</strong> 50 seconds. And every test Spectrogram parquet is <strong>only</strong> 10 minutes. Therefore we do not need all the columns with offset information.</p>\n<p>Test only has 1 row because it is a fake file. When we submit our code to LB, our code will load the real file which has many rows. (Note that the real file still has only 3 columns).</p>",
      "rawMarkdown": "Test only has 3 columns because ever test EEG parquet is **only** 50 seconds. And every test Spectrogram parquet is **only** 10 minutes. Therefore we do not need all the columns with offset information.\n\nTest only has 1 row because it is a fake file. When we submit our code to LB, our code will load the real file which has many rows. (Note that the real file still has only 3 columns).",
      "replies": [
        {
          "id": 2685484,
          "postDate": "2024-03-07T07:16:34.087Z",
          "content": "<p>I understand about 1 row. But 3 columns in Test, making it other columns irrelevant in train data.</p>",
          "rawMarkdown": "I understand about 1 row. But 3 columns in Test, making it other columns irrelevant in train data."
        }
      ]
    },
    {
      "id": 2619123,
      "postDate": "2024-01-25T08:22:56.310Z",
      "rawMarkdown": "",
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 2624767,
      "author_name": "stochasticprocess",
      "author_url": "",
      "post_date": "2024-01-29T00:57:57.463000",
      "content": "<p>Is the region of interest always in the center (300 s from the beginning of the spectrogram) of the testing spectrogram? </p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 2619306,
      "author_name": "Chris Deotte",
      "author_url": "",
      "post_date": "2024-01-25T11:57:01.570000",
      "content": "<p>Test only has 3 columns because ever test EEG parquet is <strong>only</strong> 50 seconds. And every test Spectrogram parquet is <strong>only</strong> 10 minutes. Therefore we do not need all the columns with offset information.</p>\n<p>Test only has 1 row because it is a fake file. When we submit our code to LB, our code will load the real file which has many rows. (Note that the real file still has only 3 columns).</p>",
      "votes": 0,
      "replies": [
        {
          "id": 2685484,
          "author_name": "RaML-SMART",
          "author_url": "",
          "post_date": "2024-03-07T07:16:34.087000",
          "content": "<p>I understand about 1 row. But 3 columns in Test, making it other columns irrelevant in train data.</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 2619123,
      "author_name": "",
      "author_url": "",
      "post_date": "2024-01-25T08:22:56.310000",
      "content": "",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2619093": "why test has only 3 columns?",
    "2624767": "Is the region of interest always in the center (300 s from the beginning of the spectrogram) of the testing spectrogram? ",
    "2619306": "Test only has 3 columns because ever test EEG parquet is **only** 50 seconds. And every test Spectrogram parquet is **only** 10 minutes. Therefore we do not need all the columns with offset information.\n\nTest only has 1 row because it is a fake file. When we submit our code to LB, our code will load the real file which has many rows. (Note that the real file still has only 3 columns).",
    "2619123": ""
  }
}