{
  "id": 171785,
  "title": "One target for a patient?",
  "url": "/competitions/siim-isic-melanoma-classification/discussion/171785",
  "author_name": "",
  "post_date": "2020-08-02T13:24:09.766965900Z",
  "votes": 1,
  "comment_count": 4,
  "views": 0,
  "content": "<p>Is there only one target for a patient, or more than one ?</p>",
  "messages": [
    {
      "id": "955230",
      "postDate": "08/02/2020 13:24:09",
      "content": "<p>Is there only one target for a patient, or more than one ?</p>",
      "rawMarkdown": "Is there only one target for a patient, or more than one ?",
      "votes": null
    },
    {
      "id": "955431",
      "postDate": "08/02/2020 16:22:50",
      "content": "<p>Only One</p>",
      "rawMarkdown": "Only One",
      "votes": null
    },
    {
      "id": "955543",
      "postDate": "08/02/2020 17:27:16",
      "content": "<p>each image has a target (melanoma vs benign)</p>\n\n<p>many patients have more than one image</p>\n\n<p>you are predicting at the image level, not the patient level.</p>",
      "rawMarkdown": "each image has a target (melanoma vs benign)\n\nmany patients have more than one image\n\nyou are predicting at the image level, not the patient level.",
      "votes": null
    },
    {
      "id": "955588",
      "postDate": "08/02/2020 18:14:09",
      "content": "<p>As indicated by <a href=\"/richardepstein\">@richardepstein</a>, there can be multiple images per one patient. If you refer to the number of <strong>malignant</strong> lesions per patient <code>(target = 1)</code>, there are also cases with more than one such images per patient:</p>\n\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F554091%2Fd02cee6be36afe1a046afa487a5a2d13%2F463494FD-DDEF-4C7A-9B10-EBFDC7FB073C.jpeg?generation=1596391563119761&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "As indicated by @richardepstein, there can be multiple images per one patient. If you refer to the number of **malignant** lesions per patient `(target = 1)`, there are also cases with more than one such images per patient:\n\n ![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F554091%2Fd02cee6be36afe1a046afa487a5a2d13%2F463494FD-DDEF-4C7A-9B10-EBFDC7FB073C.jpeg?generation=1596391563119761&amp;alt=media)",
      "votes": null
    },
    {
      "id": "955724",
      "postDate": "08/02/2020 21:20:07",
      "content": "<p>I also checked a correlation between number of images per patient and number of melanomas, it is near to zero. Very interesting, I thought that melanomas ~ q * number of images</p>",
      "rawMarkdown": "I also checked a correlation between number of images per patient and number of melanomas, it is near to zero. Very interesting, I thought that melanomas ~ q * number of images",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 955431,
      "author_name": "vineeth1999",
      "author_url": "",
      "post_date": "08/02/2020 16:22:50",
      "content": "<p>Only One</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 955543,
      "author_name": "richardepstein",
      "author_url": "",
      "post_date": "08/02/2020 17:27:16",
      "content": "<p>each image has a target (melanoma vs benign)</p>\n\n<p>many patients have more than one image</p>\n\n<p>you are predicting at the image level, not the patient level.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 955588,
      "author_name": "kozodoi",
      "author_url": "",
      "post_date": "08/02/2020 18:14:09",
      "content": "<p>As indicated by <a href=\"/richardepstein\">@richardepstein</a>, there can be multiple images per one patient. If you refer to the number of <strong>malignant</strong> lesions per patient <code>(target = 1)</code>, there are also cases with more than one such images per patient:</p>\n\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F554091%2Fd02cee6be36afe1a046afa487a5a2d13%2F463494FD-DDEF-4C7A-9B10-EBFDC7FB073C.jpeg?generation=1596391563119761&amp;alt=media\" alt=\"\"></p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 955724,
      "author_name": "aybatov",
      "author_url": "",
      "post_date": "08/02/2020 21:20:07",
      "content": "<p>I also checked a correlation between number of images per patient and number of melanomas, it is near to zero. Very interesting, I thought that melanomas ~ q * number of images</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "955230": "Is there only one target for a patient, or more than one ?",
    "955431": "Only One",
    "955543": "each image has a target (melanoma vs benign)\n\nmany patients have more than one image\n\nyou are predicting at the image level, not the patient level.",
    "955588": "As indicated by @richardepstein, there can be multiple images per one patient. If you refer to the number of **malignant** lesions per patient `(target = 1)`, there are also cases with more than one such images per patient:\n\n ![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F554091%2Fd02cee6be36afe1a046afa487a5a2d13%2F463494FD-DDEF-4C7A-9B10-EBFDC7FB073C.jpeg?generation=1596391563119761&amp;alt=media)",
    "955724": "I also checked a correlation between number of images per patient and number of melanomas, it is near to zero. Very interesting, I thought that melanomas ~ q * number of images"
  },
  "source": "meta"
}