{
  "id": 582876,
  "title": "Questioning the quantity of thermophile sensors?",
  "url": "/competitions/cmi-detect-behavior-with-sensor-data/discussion/582876",
  "author_name": "",
  "post_date": "2025-06-03T09:55:12.447328300Z",
  "votes": null,
  "comment_count": 2,
  "views": 0,
  "content": "<p>I have a few questions regarding the thermophile sensors:</p>\n<ol>\n<li>Why is there a use of 5 thermophile sensors?</li>\n<li>Are they returning the temperature of the person's hand?(on which the device is worn) or is it to return the temperature of the surrounding?</li>\n</ol>",
  "messages": [
    {
      "id": "3216258",
      "postDate": "06/03/2025 09:55:12",
      "content": "<p>I have a few questions regarding the thermophile sensors:</p>\n<ol>\n<li>Why is there a use of 5 thermophile sensors?</li>\n<li>Are they returning the temperature of the person's hand?(on which the device is worn) or is it to return the temperature of the surrounding?</li>\n</ol>",
      "rawMarkdown": "I have a few questions regarding the thermophile sensors:\n1. Why is there a use of 5 thermophile sensors?\n2. Are they returning the temperature of the person's hand?(on which the device is worn) or is it to return the temperature of the surrounding?",
      "votes": null
    },
    {
      "id": "3216466",
      "postDate": "06/03/2025 16:07:29",
      "content": "<p>I research on this sensor for a while, reading its datasheet etc. If we are to believe the picture provided in the overview page, the sensor is facing towards the hand, so its directly measuring the hand temperature.<br>\nWhy 5? I believe to calibrate for individual sensor noise maybe? Like an ensemble model. I might be wrong, but this seems to be the reason for 5 in stead of 1.<br>\nAre they necessary? The competition is asking us exactly that. Experiment with different models, including or not including it, to check if it makes predictions better.</p>",
      "rawMarkdown": "I research on this sensor for a while, reading its datasheet etc. If we are to believe the picture provided in the overview page, the sensor is facing towards the hand, so its directly measuring the hand temperature.\nWhy 5? I believe to calibrate for individual sensor noise maybe? Like an ensemble model. I might be wrong, but this seems to be the reason for 5 in stead of 1.\nAre they necessary? The competition is asking us exactly that. Experiment with different models, including or not including it, to check if it makes predictions better.",
      "votes": null
    },
    {
      "id": "3216876",
      "postDate": "06/04/2025 08:14:44",
      "content": "<p>I've gone through the data and the conclusion that i have come to is that it is to take the noisy into consideration, looking at the graph below that I have plot.<br>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F22250876%2F62454b7944433742a25099cf463d809d%2Fimage_2025-06-04_134356709.png?generation=1749024839759029&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "I've gone through the data and the conclusion that i have come to is that it is to take the noisy into consideration, looking at the graph below that I have plot.\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F22250876%2F62454b7944433742a25099cf463d809d%2Fimage_2025-06-04_134356709.png?generation=1749024839759029&alt=media)",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 3216466,
      "author_name": "abhirupchoudhury073",
      "author_url": "",
      "post_date": "06/03/2025 16:07:29",
      "content": "<p>I research on this sensor for a while, reading its datasheet etc. If we are to believe the picture provided in the overview page, the sensor is facing towards the hand, so its directly measuring the hand temperature.<br>\nWhy 5? I believe to calibrate for individual sensor noise maybe? Like an ensemble model. I might be wrong, but this seems to be the reason for 5 in stead of 1.<br>\nAre they necessary? The competition is asking us exactly that. Experiment with different models, including or not including it, to check if it makes predictions better.</p>",
      "votes": null,
      "replies": [
        {
          "id": 3216876,
          "author_name": "niteesg859",
          "author_url": "",
          "post_date": "06/04/2025 08:14:44",
          "content": "<p>I've gone through the data and the conclusion that i have come to is that it is to take the noisy into consideration, looking at the graph below that I have plot.<br>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F22250876%2F62454b7944433742a25099cf463d809d%2Fimage_2025-06-04_134356709.png?generation=1749024839759029&amp;alt=media\" alt=\"\"></p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "3216258": "I have a few questions regarding the thermophile sensors:\n1. Why is there a use of 5 thermophile sensors?\n2. Are they returning the temperature of the person's hand?(on which the device is worn) or is it to return the temperature of the surrounding?",
    "3216466": "I research on this sensor for a while, reading its datasheet etc. If we are to believe the picture provided in the overview page, the sensor is facing towards the hand, so its directly measuring the hand temperature.\nWhy 5? I believe to calibrate for individual sensor noise maybe? Like an ensemble model. I might be wrong, but this seems to be the reason for 5 in stead of 1.\nAre they necessary? The competition is asking us exactly that. Experiment with different models, including or not including it, to check if it makes predictions better.",
    "3216876": "I've gone through the data and the conclusion that i have come to is that it is to take the noisy into consideration, looking at the graph below that I have plot.\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F22250876%2F62454b7944433742a25099cf463d809d%2Fimage_2025-06-04_134356709.png?generation=1749024839759029&alt=media)"
  },
  "source": "meta"
}