{
  "id": 487013,
  "title": "Question about data size",
  "url": "/competitions/hms-harmful-brain-activity-classification/discussion/487013",
  "author_name": "",
  "post_date": "2024-03-27T06:56:19.857210200Z",
  "votes": null,
  "comment_count": 2,
  "views": 0,
  "content": "<p>The size of eeg data per file is (128, 256, 4)?<br>\nIs it correct? </p>",
  "messages": [
    {
      "id": "2718599",
      "postDate": "03/27/2024 06:56:19",
      "content": "<p>The size of eeg data per file is (128, 256, 4)?<br>\nIs it correct? </p>",
      "rawMarkdown": "The size of eeg data per file is (128, 256, 4)?\nIs it correct?",
      "votes": null
    },
    {
      "id": "2718663",
      "postDate": "03/27/2024 07:20:49",
      "content": "<p>No. EEG data per <code>eeg_id</code> is 10_000 rows by 20 columns. Then in popular public notebooks, we convert this EEG data which is 50 seconds into 4 spectrograms and stack them into shape (128,256,4). Where <code>128</code> is frequency dimension from 0 to 20 Hz and <code>256</code> is time dimension from 0 to 50 seconds.</p>",
      "rawMarkdown": "No. EEG data per `eeg_id` is 10_000 rows by 20 columns. Then in popular public notebooks, we convert this EEG data which is 50 seconds into 4 spectrograms and stack them into shape (128,256,4). Where `128` is frequency dimension from 0 to 20 Hz and `256` is time dimension from 0 to 50 seconds.",
      "votes": null
    },
    {
      "id": "2718819",
      "postDate": "03/27/2024 08:56:59",
      "content": "<p>Thank you! I understand!</p>",
      "rawMarkdown": "Thank you! I understand!",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2718663,
      "author_name": "cdeotte",
      "author_url": "",
      "post_date": "03/27/2024 07:20:49",
      "content": "<p>No. EEG data per <code>eeg_id</code> is 10_000 rows by 20 columns. Then in popular public notebooks, we convert this EEG data which is 50 seconds into 4 spectrograms and stack them into shape (128,256,4). Where <code>128</code> is frequency dimension from 0 to 20 Hz and <code>256</code> is time dimension from 0 to 50 seconds.</p>",
      "votes": null,
      "replies": [
        {
          "id": 2718819,
          "author_name": "ohiraaaaaa",
          "author_url": "",
          "post_date": "03/27/2024 08:56:59",
          "content": "<p>Thank you! I understand!</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "2718599": "The size of eeg data per file is (128, 256, 4)?\nIs it correct?",
    "2718663": "No. EEG data per `eeg_id` is 10_000 rows by 20 columns. Then in popular public notebooks, we convert this EEG data which is 50 seconds into 4 spectrograms and stack them into shape (128,256,4). Where `128` is frequency dimension from 0 to 20 Hz and `256` is time dimension from 0 to 50 seconds.",
    "2718819": "Thank you! I understand!"
  },
  "source": "meta"
}