{
  "id": 255814,
  "title": "The Detector noise comes from simulation or real data?",
  "url": "/competitions/g2net-gravitational-wave-detection/discussion/255814",
  "author_name": "",
  "post_date": "2021-07-29T10:12:16.560369400Z",
  "votes": 7,
  "comment_count": 6,
  "views": 0,
  "content": "<p>Hi,<br>\nAs mentioned in the data description we have two sets of data, one is detector noise and one is detector noise + signal. It is clear that signals are simulated and added to the noise. But how about the noise itself? I know there are codes available in the comunity to simulate each detector noise. </p>\n<p>Thanks in advance!</p>",
  "messages": [
    {
      "id": "1403751",
      "postDate": "07/29/2021 10:12:16",
      "content": "<p>Hi,<br>\nAs mentioned in the data description we have two sets of data, one is detector noise and one is detector noise + signal. It is clear that signals are simulated and added to the noise. But how about the noise itself? I know there are codes available in the comunity to simulate each detector noise. </p>\n<p>Thanks in advance!</p>",
      "rawMarkdown": "Hi,\nAs mentioned in the data description we have two sets of data, one is detector noise and one is detector noise + signal. It is clear that signals are simulated and added to the noise. But how about the noise itself? I know there are codes available in the comunity to simulate each detector noise. \n\nThanks in advance!",
      "votes": null
    },
    {
      "id": "1404201",
      "postDate": "07/29/2021 16:30:02",
      "content": "<p>Hi,<br>\nAccording to the data description the noise should be the real detector measurements. I'm actually wondering how one can be sure that at the time of collecting noise no real GW event was happened?</p>",
      "rawMarkdown": "Hi,\nAccording to the data description the noise should be the real detector measurements. I'm actually wondering how one can be sure that at the time of collecting noise no real GW event was happened?",
      "votes": null
    },
    {
      "id": "1404414",
      "postDate": "07/29/2021 20:53:23",
      "content": "<p>Interesting angle.  I think probability of a wave in real data is very low, but this is nevertheless a legit question.</p>",
      "rawMarkdown": "Interesting angle.  I think probability of a wave in real data is very low, but this is nevertheless a legit question.",
      "votes": null
    },
    {
      "id": "1404446",
      "postDate": "07/29/2021 21:27:39",
      "content": "<p>Definitely a legit question. Here's a quote from the competition host: <em>we can never be completely certain about the contents of a piece of data, just because we haven't detected anything doesn't mean there couldn't be a very weak signal.</em><br>\nlink here: <a href=\"https://www.kaggle.com/c/g2net-gravitational-wave-detection/discussion/250073\" target=\"_blank\">https://www.kaggle.com/c/g2net-gravitational-wave-detection/discussion/250073</a></p>",
      "rawMarkdown": "Definitely a legit question. Here's a quote from the competition host: *we can never be completely certain about the contents of a piece of data, just because we haven't detected anything doesn't mean there couldn't be a very weak signal.*\nlink here: https://www.kaggle.com/c/g2net-gravitational-wave-detection/discussion/250073",
      "votes": null
    },
    {
      "id": "1405964",
      "postDate": "07/31/2021 11:12:10",
      "content": "<p>Thanks <a href=\"https://www.kaggle.com/arnabsaha\" target=\"_blank\">@arnabsaha</a> for sharing the link. So based on the comment from the host, this means that the detector noise data is coming from simulation, not a real data from the detector. </p>",
      "rawMarkdown": "Thanks @arnabsaha for sharing the link. So based on the comment from the host, this means that the detector noise data is coming from simulation, not a real data from the detector.",
      "votes": null
    },
    {
      "id": "1427815",
      "postDate": "08/03/2021 08:49:46",
      "content": "<p>Hi folks, I can confirm the detector noise is simulated rather than real data. Whilst using real data would have presented more of a challenge, we would then be limited to using public data which would present its own series of difficulties.</p>",
      "rawMarkdown": "Hi folks, I can confirm the detector noise is simulated rather than real data. Whilst using real data would have presented more of a challenge, we would then be limited to using public data which would present its own series of difficulties.",
      "votes": null
    },
    {
      "id": "1561295",
      "postDate": "10/27/2021 13:12:53",
      "content": "<p>Hey All,</p>\n<p>Thank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey <a href=\"https://forms.gle/QP9L16niPexozyhu5\" target=\"_blank\">https://forms.gle/QP9L16niPexozyhu5</a>.</p>\n<p>Thank you all,</p>\n<p>Regards,<br>\nChris</p>",
      "rawMarkdown": "Hey All,\n\nThank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey https://forms.gle/QP9L16niPexozyhu5.\n\nThank you all,\n\nRegards,\nChris",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1404201,
      "author_name": "ikorol",
      "author_url": "",
      "post_date": "07/29/2021 16:30:02",
      "content": "<p>Hi,<br>\nAccording to the data description the noise should be the real detector measurements. I'm actually wondering how one can be sure that at the time of collecting noise no real GW event was happened?</p>",
      "votes": null,
      "replies": [
        {
          "id": 1404414,
          "author_name": "cpmpml",
          "author_url": "",
          "post_date": "07/29/2021 20:53:23",
          "content": "<p>Interesting angle.  I think probability of a wave in real data is very low, but this is nevertheless a legit question.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1404446,
          "author_name": "arnabsaha",
          "author_url": "",
          "post_date": "07/29/2021 21:27:39",
          "content": "<p>Definitely a legit question. Here's a quote from the competition host: <em>we can never be completely certain about the contents of a piece of data, just because we haven't detected anything doesn't mean there couldn't be a very weak signal.</em><br>\nlink here: <a href=\"https://www.kaggle.com/c/g2net-gravitational-wave-detection/discussion/250073\" target=\"_blank\">https://www.kaggle.com/c/g2net-gravitational-wave-detection/discussion/250073</a></p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1405964,
          "author_name": "banafsheh89",
          "author_url": "",
          "post_date": "07/31/2021 11:12:10",
          "content": "<p>Thanks <a href=\"https://www.kaggle.com/arnabsaha\" target=\"_blank\">@arnabsaha</a> for sharing the link. So based on the comment from the host, this means that the detector noise data is coming from simulation, not a real data from the detector. </p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1427815,
          "author_name": "michaeljwill",
          "author_url": "",
          "post_date": "08/03/2021 08:49:46",
          "content": "<p>Hi folks, I can confirm the detector noise is simulated rather than real data. Whilst using real data would have presented more of a challenge, we would then be limited to using public data which would present its own series of difficulties.</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1561295,
      "author_name": "zerafachris",
      "author_url": "",
      "post_date": "10/27/2021 13:12:53",
      "content": "<p>Hey All,</p>\n<p>Thank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey <a href=\"https://forms.gle/QP9L16niPexozyhu5\" target=\"_blank\">https://forms.gle/QP9L16niPexozyhu5</a>.</p>\n<p>Thank you all,</p>\n<p>Regards,<br>\nChris</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1403751": "Hi,\nAs mentioned in the data description we have two sets of data, one is detector noise and one is detector noise + signal. It is clear that signals are simulated and added to the noise. But how about the noise itself? I know there are codes available in the comunity to simulate each detector noise. \n\nThanks in advance!",
    "1404201": "Hi,\nAccording to the data description the noise should be the real detector measurements. I'm actually wondering how one can be sure that at the time of collecting noise no real GW event was happened?",
    "1404414": "Interesting angle.  I think probability of a wave in real data is very low, but this is nevertheless a legit question.",
    "1404446": "Definitely a legit question. Here's a quote from the competition host: *we can never be completely certain about the contents of a piece of data, just because we haven't detected anything doesn't mean there couldn't be a very weak signal.*\nlink here: https://www.kaggle.com/c/g2net-gravitational-wave-detection/discussion/250073",
    "1405964": "Thanks @arnabsaha for sharing the link. So based on the comment from the host, this means that the detector noise data is coming from simulation, not a real data from the detector.",
    "1427815": "Hi folks, I can confirm the detector noise is simulated rather than real data. Whilst using real data would have presented more of a challenge, we would then be limited to using public data which would present its own series of difficulties.",
    "1561295": "Hey All,\n\nThank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey https://forms.gle/QP9L16niPexozyhu5.\n\nThank you all,\n\nRegards,\nChris"
  },
  "source": "meta"
}