{
  "id": 56089,
  "title": "Cell value is 1 in many cases",
  "url": "/competitions/trackml-particle-identification/discussion/56089",
  "author_name": "",
  "post_date": "2018-05-05T20:55:54.979568200Z",
  "votes": 1,
  "comment_count": 5,
  "views": 0,
  "content": "<p>In many cases the cell value in the cells csv file is a float. However, there are also many (about 30% in the training sample) where it is 1. Does anyone know the reason for this?</p>",
  "messages": [
    {
      "id": "323675",
      "postDate": "05/05/2018 20:55:54",
      "content": "<p>In many cases the cell value in the cells csv file is a float. However, there are also many (about 30% in the training sample) where it is 1. Does anyone know the reason for this?</p>",
      "rawMarkdown": "In many cases the cell value in the cells csv file is a float. However, there are also many (about 30% in the training sample) where it is 1. Does anyone know the reason for this?",
      "votes": null
    },
    {
      "id": "323685",
      "postDate": "05/05/2018 21:33:19",
      "content": "<p>See Appending A : <a href=\"https://storage.googleapis.com/kaggle-forum-message-attachments/321278/9331/trackml-participant-document-particle-v1.0.pdf\">https://storage.googleapis.com/kaggle-forum-message-attachments/321278/9331/trackml-participant-document-particle-v1.0.pdf</a>\nInner pixel detector (volume_id&lt;10) record charge value, however strip detectors (volume_id&gt;10) just record binary signal or not.</p>",
      "rawMarkdown": "See Appending A : https://kaggle2.blob.core.windows.net/forum-message-attachments/321278/9331/trackml-participant-document-particle-v1.0.pdf\nInner pixel detector (volume_id&lt;10) record charge value, however strip detectors (volume_id&gt;10) just record binary signal or not.",
      "votes": null
    },
    {
      "id": "323690",
      "postDate": "05/05/2018 22:01:46",
      "content": "<p>Thanks!</p>",
      "rawMarkdown": "Thanks!",
      "votes": null
    },
    {
      "id": "323870",
      "postDate": "05/06/2018 13:18:04",
      "content": "<p>Indeed, in the volumes with so-called strip detectors we do not have any possibility for the cell value measurement, however, we kept the value in for a nice/better formatting of the dataset</p>",
      "rawMarkdown": "Indeed, in the volumes with so-called strip detectors we do not have any possibility for the cell value measurement, however, we kept the value in for a nice/better formatting of the dataset",
      "votes": null
    },
    {
      "id": "327047",
      "postDate": "05/10/2018 18:27:46",
      "content": "<p>Do strip detector cells have a simulated measurement, the binary value TeraFlops mentioned, or just a placeholder value? </p>",
      "rawMarkdown": "Do strip detector cells have a simulated measurement, the binary value TeraFlops mentioned, or just a placeholder value?",
      "votes": null
    },
    {
      "id": "327050",
      "postDate": "05/10/2018 18:30:43",
      "content": "<p>It’s a placeholder, indeed.</p>",
      "rawMarkdown": "It’s a placeholder, indeed.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 323685,
      "author_name": "sekrier",
      "author_url": "",
      "post_date": "05/05/2018 21:33:19",
      "content": "<p>See Appending A : <a href=\"https://storage.googleapis.com/kaggle-forum-message-attachments/321278/9331/trackml-participant-document-particle-v1.0.pdf\">https://storage.googleapis.com/kaggle-forum-message-attachments/321278/9331/trackml-participant-document-particle-v1.0.pdf</a>\nInner pixel detector (volume_id&lt;10) record charge value, however strip detectors (volume_id&gt;10) just record binary signal or not.</p>",
      "votes": null,
      "replies": [
        {
          "id": 323690,
          "author_name": "starsman",
          "author_url": "",
          "post_date": "05/05/2018 22:01:46",
          "content": "<p>Thanks!</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 323870,
          "author_name": "asalzburger",
          "author_url": "",
          "post_date": "05/06/2018 13:18:04",
          "content": "<p>Indeed, in the volumes with so-called strip detectors we do not have any possibility for the cell value measurement, however, we kept the value in for a nice/better formatting of the dataset</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 327047,
          "author_name": "alleyvolta",
          "author_url": "",
          "post_date": "05/10/2018 18:27:46",
          "content": "<p>Do strip detector cells have a simulated measurement, the binary value TeraFlops mentioned, or just a placeholder value? </p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 327050,
          "author_name": "asalzburger",
          "author_url": "",
          "post_date": "05/10/2018 18:30:43",
          "content": "<p>It’s a placeholder, indeed.</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "323675": "In many cases the cell value in the cells csv file is a float. However, there are also many (about 30% in the training sample) where it is 1. Does anyone know the reason for this?",
    "323685": "See Appending A : https://kaggle2.blob.core.windows.net/forum-message-attachments/321278/9331/trackml-participant-document-particle-v1.0.pdf\nInner pixel detector (volume_id&lt;10) record charge value, however strip detectors (volume_id&gt;10) just record binary signal or not.",
    "323690": "Thanks!",
    "323870": "Indeed, in the volumes with so-called strip detectors we do not have any possibility for the cell value measurement, however, we kept the value in for a nice/better formatting of the dataset",
    "327047": "Do strip detector cells have a simulated measurement, the binary value TeraFlops mentioned, or just a placeholder value?",
    "327050": "It’s a placeholder, indeed."
  },
  "source": "meta"
}