{
  "id": 15706,
  "title": "Event File Clarification",
  "url": "/competitions/grasp-and-lift-eeg-detection/discussion/15706",
  "author_name": "",
  "post_date": "2015-08-02T06:22:20.250Z",
  "votes": null,
  "comment_count": 2,
  "views": 441,
  "content": "<p>As everyone knows each event is of 150 Frames. </p>\n\n<p>Each frame is 0.002 seconds (1/Sampling Frequency i.e. 1/500 s).  </p>\n\n<p>So 150 Frames = 150*0.002 = 0.3 seconds = Duration of one event</p>\n\n<p>So MAXIMUM (ignoring overlap between events) one trial (consisting of 6 events) should take 6*0.3 = 1.8 seconds</p>\n\n<p>Now in video at:</p>\n\n<p><a href=\"https://www.kaggle.com/c/grasp-and-lift-eeg-detection/data\">https://www.kaggle.com/c/grasp-and-lift-eeg-detection/data</a></p>\n\n<p>trial starts at 07 second and end at 12 second which is about 5 seconds. </p>\n\n<p>Can anyone please help me with this observation?</p>",
  "messages": [
    {
      "id": "87929",
      "postDate": "08/02/2015 06:22:20",
      "content": "<p>As everyone knows each event is of 150 Frames. </p>\n\n<p>Each frame is 0.002 seconds (1/Sampling Frequency i.e. 1/500 s).  </p>\n\n<p>So 150 Frames = 150*0.002 = 0.3 seconds = Duration of one event</p>\n\n<p>So MAXIMUM (ignoring overlap between events) one trial (consisting of 6 events) should take 6*0.3 = 1.8 seconds</p>\n\n<p>Now in video at:</p>\n\n<p><a href=\"https://www.kaggle.com/c/grasp-and-lift-eeg-detection/data\">https://www.kaggle.com/c/grasp-and-lift-eeg-detection/data</a></p>\n\n<p>trial starts at 07 second and end at 12 second which is about 5 seconds. </p>\n\n<p>Can anyone please help me with this observation?</p>",
      "rawMarkdown": "As everyone knows each event is of 150 Frames. \r\n\r\nEach frame is 0.002 seconds (1/Sampling Frequency i.e. 1/500 s).  \r\n\r\nSo 150 Frames = 150*0.002 = 0.3 seconds = Duration of one event\r\n\r\nSo MAXIMUM (ignoring overlap between events) one trial (consisting of 6 events) should take 6*0.3 = 1.8 seconds\r\n\r\nNow in video at:\r\n\r\nhttps://www.kaggle.com/c/grasp-and-lift-eeg-detection/data\r\n\r\ntrial starts at 07 second and end at 12 second which is about 5 seconds. \r\n\r\nCan anyone please help me with this observation?",
      "votes": null
    },
    {
      "id": "87961",
      "postDate": "08/02/2015 15:59:43",
      "content": "<p>Ones mark the beginning of each event, not it's whole duration, so there are some empty spaces between consecutive events.</p>",
      "rawMarkdown": "Ones mark the beginning of each event, not it's whole duration, so there are some empty spaces between consecutive events.",
      "votes": null
    },
    {
      "id": "88929",
      "postDate": "08/08/2015 22:12:18",
      "content": "<p>There are a lot more zeroes than anything else. is that going to cause models to be overfitted to returning 0 ? </p>",
      "rawMarkdown": "There are a lot more zeroes than anything else. is that going to cause models to be overfitted to returning 0 ?",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 87961,
      "author_name": "apaszke",
      "author_url": "",
      "post_date": "08/02/2015 15:59:43",
      "content": "<p>Ones mark the beginning of each event, not it's whole duration, so there are some empty spaces between consecutive events.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 88929,
      "author_name": "chrisfs",
      "author_url": "",
      "post_date": "08/08/2015 22:12:18",
      "content": "<p>There are a lot more zeroes than anything else. is that going to cause models to be overfitted to returning 0 ? </p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "87929": "As everyone knows each event is of 150 Frames. \r\n\r\nEach frame is 0.002 seconds (1/Sampling Frequency i.e. 1/500 s).  \r\n\r\nSo 150 Frames = 150*0.002 = 0.3 seconds = Duration of one event\r\n\r\nSo MAXIMUM (ignoring overlap between events) one trial (consisting of 6 events) should take 6*0.3 = 1.8 seconds\r\n\r\nNow in video at:\r\n\r\nhttps://www.kaggle.com/c/grasp-and-lift-eeg-detection/data\r\n\r\ntrial starts at 07 second and end at 12 second which is about 5 seconds. \r\n\r\nCan anyone please help me with this observation?",
    "87961": "Ones mark the beginning of each event, not it's whole duration, so there are some empty spaces between consecutive events.",
    "88929": "There are a lot more zeroes than anything else. is that going to cause models to be overfitted to returning 0 ?"
  },
  "source": "meta"
}