{
  "id": 146619,
  "title": "Does CV matter?",
  "url": "/competitions/prostate-cancer-grade-assessment/discussion/146619",
  "author_name": "Harshit Sheoran",
  "post_date": "2020-04-27T21:08:05.229000",
  "votes": 1,
  "comment_count": 5,
  "views": 0,
  "content": "<p>Considering that I am still improving my cv to its limits even before making my first sub, I would like to know, if it even matters or not, or its just like dfdc where cv can mislead you...</p>\n\n<p>Feel free to share your thoughts/experience below, It would be a great help for the community!</p>\n\n<p>Thank You!</p>",
  "messages": [
    {
      "id": 823741,
      "postDate": "2020-04-27T21:08:05.230Z",
      "content": "<p>Considering that I am still improving my cv to its limits even before making my first sub, I would like to know, if it even matters or not, or its just like dfdc where cv can mislead you...</p>\n\n<p>Feel free to share your thoughts/experience below, It would be a great help for the community!</p>\n\n<p>Thank You!</p>",
      "rawMarkdown": "Considering that I am still improving my cv to its limits even before making my first sub, I would like to know, if it even matters or not, or its just like dfdc where cv can mislead you...\n\nFeel free to share your thoughts/experience below, It would be a great help for the community!\n\nThank You!",
      "votes": 1
    },
    {
      "id": 824060,
      "postDate": "2020-04-28T06:16:45.813Z",
      "content": "<blockquote>\n  <p>improving my cv to its limits even before making my first sub</p>\n</blockquote>\n\n<p>It's worth submitting your solution couple times to just see how does your CV score differ from LB :)</p>",
      "rawMarkdown": "&gt; improving my cv to its limits even before making my first sub\n\nIt's worth submitting your solution couple times to just see how does your CV score differ from LB :)",
      "votes": 2
    },
    {
      "id": 824286,
      "postDate": "2020-04-28T09:25:23.263Z",
      "content": "<p>For me, training more epochs can lead to a great CV, but it is just overfitting...</p>",
      "rawMarkdown": "For me, training more epochs can lead to a great CV, but it is just overfitting...",
      "replies": [
        {
          "id": 824332,
          "postDate": "2020-04-28T10:01:29.823Z",
          "content": "<p>use rotate augmentation, solved every bit of overfitting for me, making my model learn much longer, however I dont train a lot of epochs I can see results in 5.</p>",
          "rawMarkdown": "use rotate augmentation, solved every bit of overfitting for me, making my model learn much longer, however I dont train a lot of epochs I can see results in 5."
        }
      ]
    },
    {
      "id": 823909,
      "postDate": "2020-04-28T02:14:27.923Z",
      "content": "<p>a big part of winning competition is having a stable CV dude :D</p>",
      "rawMarkdown": "a big part of winning competition is having a stable CV dude :D"
    },
    {
      "id": 823778,
      "postDate": "2020-04-27T22:01:32.617Z",
      "content": "<p>DFDC was a special case with unbalanced data and repeating actors. Along with the test data which was a group of videos where some videos were similar to the training set and others completely new and organic. This made CV completely worthless. In general I believe CV isn't as helpful in CV comps compared to other types but is still valuable.</p>",
      "rawMarkdown": "DFDC was a special case with unbalanced data and repeating actors. Along with the test data which was a group of videos where some videos were similar to the training set and others completely new and organic. This made CV completely worthless. In general I believe CV isn't as helpful in CV comps compared to other types but is still valuable."
    }
  ],
  "comments": [
    {
      "id": 824060,
      "author_name": "mtszkw",
      "author_url": "",
      "post_date": "2020-04-28T06:16:45.813000",
      "content": "<blockquote>\n  <p>improving my cv to its limits even before making my first sub</p>\n</blockquote>\n\n<p>It's worth submitting your solution couple times to just see how does your CV score differ from LB :)</p>",
      "votes": 2,
      "replies": []
    },
    {
      "id": 824286,
      "author_name": "Wang Xinliang",
      "author_url": "",
      "post_date": "2020-04-28T09:25:23.263000",
      "content": "<p>For me, training more epochs can lead to a great CV, but it is just overfitting...</p>",
      "votes": 0,
      "replies": [
        {
          "id": 824332,
          "author_name": "Harshit Sheoran",
          "author_url": "",
          "post_date": "2020-04-28T10:01:29.823000",
          "content": "<p>use rotate augmentation, solved every bit of overfitting for me, making my model learn much longer, however I dont train a lot of epochs I can see results in 5.</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 823909,
      "author_name": "DatNT",
      "author_url": "",
      "post_date": "2020-04-28T02:14:27.923000",
      "content": "<p>a big part of winning competition is having a stable CV dude :D</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 823778,
      "author_name": "GreatGameDota",
      "author_url": "",
      "post_date": "2020-04-27T22:01:32.617000",
      "content": "<p>DFDC was a special case with unbalanced data and repeating actors. Along with the test data which was a group of videos where some videos were similar to the training set and others completely new and organic. This made CV completely worthless. In general I believe CV isn't as helpful in CV comps compared to other types but is still valuable.</p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "823741": "Considering that I am still improving my cv to its limits even before making my first sub, I would like to know, if it even matters or not, or its just like dfdc where cv can mislead you...\n\nFeel free to share your thoughts/experience below, It would be a great help for the community!\n\nThank You!",
    "824060": "&gt; improving my cv to its limits even before making my first sub\n\nIt's worth submitting your solution couple times to just see how does your CV score differ from LB :)",
    "824286": "For me, training more epochs can lead to a great CV, but it is just overfitting...",
    "823909": "a big part of winning competition is having a stable CV dude :D",
    "823778": "DFDC was a special case with unbalanced data and repeating actors. Along with the test data which was a group of videos where some videos were similar to the training set and others completely new and organic. This made CV completely worthless. In general I believe CV isn't as helpful in CV comps compared to other types but is still valuable."
  }
}