{
  "id": 374900,
  "title": "Unstable validation loss",
  "url": "/competitions/rsna-breast-cancer-detection/discussion/374900",
  "author_name": "Gunes Evitan",
  "post_date": "2022-12-29T10:27:36.624000",
  "votes": 10,
  "comment_count": 3,
  "views": 0,
  "content": "<p>I'm trying to replicate <a href=\"https://www.kaggle.com/theoviel\" target=\"_blank\">@theoviel</a>'s baseline but val loss fluctuates a lot. My val loss doesn't correlate with val probabilistic f score as well. Does anyone experience similar behaviors? Validating multiple times inside an epoch could be useful here.</p>",
  "messages": [
    {
      "id": 2079464,
      "postDate": "2022-12-29T10:27:36.623Z",
      "content": "<p>I'm trying to replicate <a href=\"https://www.kaggle.com/theoviel\" target=\"_blank\">@theoviel</a>'s baseline but val loss fluctuates a lot. My val loss doesn't correlate with val probabilistic f score as well. Does anyone experience similar behaviors? Validating multiple times inside an epoch could be useful here.</p>",
      "rawMarkdown": "I'm trying to replicate @theoviel's baseline but val loss fluctuates a lot. My val loss doesn't correlate with val probabilistic f score as well. Does anyone experience similar behaviors? Validating multiple times inside an epoch could be useful here.",
      "votes": 10
    },
    {
      "id": 2081215,
      "postDate": "2022-12-31T00:17:53.227Z",
      "content": "<p>Same here…I repeated 2 baselines and none of them can reproduce the results they showed…<br>\nAlways increasing validation loss or a \"U\" shape</p>",
      "rawMarkdown": "Same here...I repeated 2 baselines and none of them can reproduce the results they showed...\nAlways increasing validation loss or a \"U\" shape"
    },
    {
      "id": 2080289,
      "postDate": "2022-12-30T03:58:02.813Z",
      "content": "<p>Same issue！</p>",
      "rawMarkdown": "Same issue！"
    },
    {
      "id": 2079481,
      "postDate": "2022-12-29T10:53:35.370Z",
      "content": "<p>I have the same issue. The validation loss fluctuates during the training. </p>",
      "rawMarkdown": "I have the same issue. The validation loss fluctuates during the training. "
    }
  ],
  "comments": [
    {
      "id": 2081215,
      "author_name": "nicehzj",
      "author_url": "",
      "post_date": "2022-12-31T00:17:53.227000",
      "content": "<p>Same here…I repeated 2 baselines and none of them can reproduce the results they showed…<br>\nAlways increasing validation loss or a \"U\" shape</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 2080289,
      "author_name": "HAOYI ZHONG",
      "author_url": "",
      "post_date": "2022-12-30T03:58:02.813000",
      "content": "<p>Same issue！</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 2079481,
      "author_name": "Rasoul Mojtahedzadeh",
      "author_url": "",
      "post_date": "2022-12-29T10:53:35.370000",
      "content": "<p>I have the same issue. The validation loss fluctuates during the training. </p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2079464": "I'm trying to replicate @theoviel's baseline but val loss fluctuates a lot. My val loss doesn't correlate with val probabilistic f score as well. Does anyone experience similar behaviors? Validating multiple times inside an epoch could be useful here.",
    "2081215": "Same here...I repeated 2 baselines and none of them can reproduce the results they showed...\nAlways increasing validation loss or a \"U\" shape",
    "2080289": "Same issue！",
    "2079481": "I have the same issue. The validation loss fluctuates during the training. "
  }
}