{
  "id": 176015,
  "title": "Question about baseline week",
  "url": "/competitions/osic-pulmonary-fibrosis-progression/discussion/176015",
  "author_name": "",
  "post_date": "2020-08-20T07:28:33.246346300Z",
  "votes": 4,
  "comment_count": 5,
  "views": 0,
  "content": "<p>Hi.</p>\n<p>Im confusing about baseline week.<br>\nIn explanation, in train data, the CT imgs are acquired at week==0.</p>\n<p>But, in test.csv explanation,<br>\n'test.csv - the test set, contains only the <strong>baseline measurement</strong>'<br>\nBut test.csv contains Weeks 6,15,…, somthing is not 0. </p>\n<p>It just means the CT Imgs are at week == 0 and the test.csv contains other weeks data?</p>",
  "messages": [
    {
      "id": "978449",
      "postDate": "08/20/2020 07:28:33",
      "content": "<p>Hi.</p>\n<p>Im confusing about baseline week.<br>\nIn explanation, in train data, the CT imgs are acquired at week==0.</p>\n<p>But, in test.csv explanation,<br>\n'test.csv - the test set, contains only the <strong>baseline measurement</strong>'<br>\nBut test.csv contains Weeks 6,15,…, somthing is not 0. </p>\n<p>It just means the CT Imgs are at week == 0 and the test.csv contains other weeks data?</p>",
      "rawMarkdown": "Hi.\n\nIm confusing about baseline week.\nIn explanation, in train data, the CT imgs are acquired at week==0.\n\nBut, in test.csv explanation,\n'test.csv - the test set, contains only the **baseline measurement**'\nBut test.csv contains Weeks 6,15,..., somthing is not 0. \n\nIt just means the CT Imgs are at week == 0 and the test.csv contains other weeks data?",
      "votes": null
    },
    {
      "id": "978522",
      "postDate": "08/20/2020 08:25:11",
      "content": "<p>Hi<br>\nIn both train and test sets CT images are taken at week = 0.  Baseline measurement refers to initial FVC measurement which can happen before or after the CT can. Test tabular data has only one week (the one refering to initial FVC), sex, smoking habits, percent… per patient, nothing more</p>",
      "rawMarkdown": "Hi\nIn both train and test sets CT images are taken at week = 0.  Baseline measurement refers to initial FVC measurement which can happen before or after the CT can. Test tabular data has only one week (the one refering to initial FVC), sex, smoking habits, percent... per patient, nothing more",
      "votes": null
    },
    {
      "id": "978531",
      "postDate": "08/20/2020 08:29:23",
      "content": "<p>Its clear. Thanks! </p>",
      "rawMarkdown": "Its clear. Thanks!",
      "votes": null
    },
    {
      "id": "979541",
      "postDate": "08/20/2020 23:50:25",
      "content": "<p>Hello everyone,</p>\n<p>I’m sorry, I’m still confused about what fvc measurement the test set will provide. </p>\n<p>In the data description first it says:</p>\n<blockquote>\n  <p>In the test set, you are provided with a baseline CT scan and only the <strong>initial</strong> FVC measurement.</p>\n</blockquote>\n<p>I understand \"baseline\" is defined as the week in which the CT scan was taken (i.e. week = 0).  And initial can happen anytime, i.e. week = -4 (four weeks before the CT scan). </p>\n<p>But then below, in the files section it says: </p>\n<blockquote>\n  <ul>\n  <li>test.csv - the test set, contains only the <strong>baseline</strong> measurement</li>\n  </ul>\n</blockquote>\n<p>So which one is it? the baseline or the initial measurement? Or does \"baseline\" have a different meaning for CT scan and for fvc measurement? Or is it in that in the test set baseline and initial measurement coincide?</p>\n<p>Thank you in advance for any clarification =)</p>",
      "rawMarkdown": "Hello everyone,\n\nI’m sorry, I’m still confused about what fvc measurement the test set will provide. \n\nIn the data description first it says:\n> In the test set, you are provided with a baseline CT scan and only the **initial** FVC measurement.\n\nI understand \"baseline\" is defined as the week in which the CT scan was taken (i.e. week = 0).  And initial can happen anytime, i.e. week = -4 (four weeks before the CT scan). \n\nBut then below, in the files section it says: \n> - test.csv - the test set, contains only the **baseline** measurement\n\n\nSo which one is it? the baseline or the initial measurement? Or does \"baseline\" have a different meaning for CT scan and for fvc measurement? Or is it in that in the test set baseline and initial measurement coincide?\n\nThank you in advance for any clarification =)",
      "votes": null
    },
    {
      "id": "979544",
      "postDate": "08/20/2020 23:54:01",
      "content": "<p>Hello, the baseline week is the week of the first fvc measurement, not the CT scan week. What is provided in the test set is this baseline week.</p>",
      "rawMarkdown": "Hello, the baseline week is the week of the first fvc measurement, not the CT scan week. What is provided in the test set is this baseline week.",
      "votes": null
    },
    {
      "id": "979550",
      "postDate": "08/21/2020 00:01:38",
      "content": "<p>Great. Thank you! </p>",
      "rawMarkdown": "Great. Thank you!",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 978522,
      "author_name": "alexj21",
      "author_url": "",
      "post_date": "08/20/2020 08:25:11",
      "content": "<p>Hi<br>\nIn both train and test sets CT images are taken at week = 0.  Baseline measurement refers to initial FVC measurement which can happen before or after the CT can. Test tabular data has only one week (the one refering to initial FVC), sex, smoking habits, percent… per patient, nothing more</p>",
      "votes": null,
      "replies": [
        {
          "id": 978531,
          "author_name": "papercat318",
          "author_url": "",
          "post_date": "08/20/2020 08:29:23",
          "content": "<p>Its clear. Thanks! </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 979541,
      "author_name": "reyvaz",
      "author_url": "",
      "post_date": "08/20/2020 23:50:25",
      "content": "<p>Hello everyone,</p>\n<p>I’m sorry, I’m still confused about what fvc measurement the test set will provide. </p>\n<p>In the data description first it says:</p>\n<blockquote>\n  <p>In the test set, you are provided with a baseline CT scan and only the <strong>initial</strong> FVC measurement.</p>\n</blockquote>\n<p>I understand \"baseline\" is defined as the week in which the CT scan was taken (i.e. week = 0).  And initial can happen anytime, i.e. week = -4 (four weeks before the CT scan). </p>\n<p>But then below, in the files section it says: </p>\n<blockquote>\n  <ul>\n  <li>test.csv - the test set, contains only the <strong>baseline</strong> measurement</li>\n  </ul>\n</blockquote>\n<p>So which one is it? the baseline or the initial measurement? Or does \"baseline\" have a different meaning for CT scan and for fvc measurement? Or is it in that in the test set baseline and initial measurement coincide?</p>\n<p>Thank you in advance for any clarification =)</p>",
      "votes": null,
      "replies": [
        {
          "id": 979544,
          "author_name": "ahmedhshahin",
          "author_url": "",
          "post_date": "08/20/2020 23:54:01",
          "content": "<p>Hello, the baseline week is the week of the first fvc measurement, not the CT scan week. What is provided in the test set is this baseline week.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 979550,
          "author_name": "reyvaz",
          "author_url": "",
          "post_date": "08/21/2020 00:01:38",
          "content": "<p>Great. Thank you! </p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "978449": "Hi.\n\nIm confusing about baseline week.\nIn explanation, in train data, the CT imgs are acquired at week==0.\n\nBut, in test.csv explanation,\n'test.csv - the test set, contains only the **baseline measurement**'\nBut test.csv contains Weeks 6,15,..., somthing is not 0. \n\nIt just means the CT Imgs are at week == 0 and the test.csv contains other weeks data?",
    "978522": "Hi\nIn both train and test sets CT images are taken at week = 0.  Baseline measurement refers to initial FVC measurement which can happen before or after the CT can. Test tabular data has only one week (the one refering to initial FVC), sex, smoking habits, percent... per patient, nothing more",
    "978531": "Its clear. Thanks!",
    "979541": "Hello everyone,\n\nI’m sorry, I’m still confused about what fvc measurement the test set will provide. \n\nIn the data description first it says:\n> In the test set, you are provided with a baseline CT scan and only the **initial** FVC measurement.\n\nI understand \"baseline\" is defined as the week in which the CT scan was taken (i.e. week = 0).  And initial can happen anytime, i.e. week = -4 (four weeks before the CT scan). \n\nBut then below, in the files section it says: \n> - test.csv - the test set, contains only the **baseline** measurement\n\n\nSo which one is it? the baseline or the initial measurement? Or does \"baseline\" have a different meaning for CT scan and for fvc measurement? Or is it in that in the test set baseline and initial measurement coincide?\n\nThank you in advance for any clarification =)",
    "979544": "Hello, the baseline week is the week of the first fvc measurement, not the CT scan week. What is provided in the test set is this baseline week.",
    "979550": "Great. Thank you!"
  },
  "source": "meta"
}