{
  "id": 250073,
  "title": "Data sets from aLIGO O3?",
  "url": "/competitions/g2net-gravitational-wave-detection/discussion/250073",
  "author_name": "",
  "post_date": "2021-07-01T04:18:38.048004100Z",
  "votes": 5,
  "comment_count": 3,
  "views": 0,
  "content": "<p>I'm wondering whether the data sets for this competition come from the aLIGO O3 run? </p>\n<p>Daniel</p>",
  "messages": [
    {
      "id": "1371520",
      "postDate": "07/01/2021 04:18:38",
      "content": "<p>I'm wondering whether the data sets for this competition come from the aLIGO O3 run? </p>\n<p>Daniel</p>",
      "rawMarkdown": "I'm wondering whether the data sets for this competition come from the aLIGO O3 run? \n\nDaniel",
      "votes": null
    },
    {
      "id": "1371924",
      "postDate": "07/01/2021 10:04:53",
      "content": "<p>Hi Daniel,</p>\n<p>There are various challenges when using real data for this sort of challenge. For example, 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. This would make labelling the data a challenge. We also only have around 50 confirmed detections, so we would still have to rely upon simulated signals. </p>\n<p>Ultimately, given these and other reasons, we decided to use simulated data rather than the data from O3.</p>",
      "rawMarkdown": "Hi Daniel,\n\nThere are various challenges when using real data for this sort of challenge. For example, 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. This would make labelling the data a challenge. We also only have around 50 confirmed detections, so we would still have to rely upon simulated signals. \n\nUltimately, given these and other reasons, we decided to use simulated data rather than the data from O3.",
      "votes": null
    },
    {
      "id": "1372610",
      "postDate": "07/01/2021 22:10:56",
      "content": "<p>Hello Michael,</p>\n<p>Thanks for the clarification. Yes, of course, using actual O3 data (and maybe O1 and O2) would mean a very small training set. So using data with injected signals makes sense for this purpose. It's like what I saw years ago with the Mock LISA Data Challenge (MLDC), but for a vastly different frequency range (for SMBHs, amd EMRIs). </p>\n<p>Also, for anyone interested, there is a nice collection of GW detections: <a href=\"url\" target=\"_blank\">https://en.wikipedia.org/wiki/List_of_gravitational_wave_observations</a></p>\n<p>Daniel</p>",
      "rawMarkdown": "Hello Michael,\n\nThanks for the clarification. Yes, of course, using actual O3 data (and maybe O1 and O2) would mean a very small training set. So using data with injected signals makes sense for this purpose. It's like what I saw years ago with the Mock LISA Data Challenge (MLDC), but for a vastly different frequency range (for SMBHs, amd EMRIs). \n\nAlso, for anyone interested, there is a nice collection of GW detections: [https://en.wikipedia.org/wiki/List_of_gravitational_wave_observations](url)\n\nDaniel",
      "votes": null
    },
    {
      "id": "1561310",
      "postDate": "10/27/2021 13:14:00",
      "content": "<p>Hey,</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,\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": 1371924,
      "author_name": "michaeljwill",
      "author_url": "",
      "post_date": "07/01/2021 10:04:53",
      "content": "<p>Hi Daniel,</p>\n<p>There are various challenges when using real data for this sort of challenge. For example, 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. This would make labelling the data a challenge. We also only have around 50 confirmed detections, so we would still have to rely upon simulated signals. </p>\n<p>Ultimately, given these and other reasons, we decided to use simulated data rather than the data from O3.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1372610,
      "author_name": "amuletanalytics",
      "author_url": "",
      "post_date": "07/01/2021 22:10:56",
      "content": "<p>Hello Michael,</p>\n<p>Thanks for the clarification. Yes, of course, using actual O3 data (and maybe O1 and O2) would mean a very small training set. So using data with injected signals makes sense for this purpose. It's like what I saw years ago with the Mock LISA Data Challenge (MLDC), but for a vastly different frequency range (for SMBHs, amd EMRIs). </p>\n<p>Also, for anyone interested, there is a nice collection of GW detections: <a href=\"url\" target=\"_blank\">https://en.wikipedia.org/wiki/List_of_gravitational_wave_observations</a></p>\n<p>Daniel</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1561310,
      "author_name": "zerafachris",
      "author_url": "",
      "post_date": "10/27/2021 13:14:00",
      "content": "<p>Hey,</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": {
    "1371520": "I'm wondering whether the data sets for this competition come from the aLIGO O3 run? \n\nDaniel",
    "1371924": "Hi Daniel,\n\nThere are various challenges when using real data for this sort of challenge. For example, 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. This would make labelling the data a challenge. We also only have around 50 confirmed detections, so we would still have to rely upon simulated signals. \n\nUltimately, given these and other reasons, we decided to use simulated data rather than the data from O3.",
    "1372610": "Hello Michael,\n\nThanks for the clarification. Yes, of course, using actual O3 data (and maybe O1 and O2) would mean a very small training set. So using data with injected signals makes sense for this purpose. It's like what I saw years ago with the Mock LISA Data Challenge (MLDC), but for a vastly different frequency range (for SMBHs, amd EMRIs). \n\nAlso, for anyone interested, there is a nice collection of GW detections: [https://en.wikipedia.org/wiki/List_of_gravitational_wave_observations](url)\n\nDaniel",
    "1561310": "Hey,\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"
}