{
  "id": 670652,
  "title": "How did you resolve the CV-LB gap?",
  "url": "/competitions/csiro-biomass/discussion/670652",
  "author_name": "",
  "post_date": "2026-01-29T01:25:22.321954200Z",
  "votes": null,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Saw in the Discussion that top folks have a correlation between CV and LB scores.</p>\n<p>My CV strat always lands about 0.1 points below LB, so what's the secret sauce for their CV approach?</p>",
  "messages": [
    {
      "id": "3398324",
      "postDate": "01/29/2026 01:25:22",
      "content": "<p>Saw in the Discussion that top folks have a correlation between CV and LB scores.</p>\n<p>My CV strat always lands about 0.1 points below LB, so what's the secret sauce for their CV approach?</p>",
      "rawMarkdown": "Saw in the Discussion that top folks have a correlation between CV and LB scores.\n\nMy CV strat always lands about 0.1 points below LB, so what's the secret sauce for their CV approach?",
      "votes": null
    },
    {
      "id": "3398439",
      "postDate": "01/29/2026 06:29:14",
      "content": "<p>Just freeze dino except the last 2 layers + use EMA. The main insight for me was: loss fluctuates quite a lot, so probably smoothing it would lead to good correlation. but that didn't work for private unfortunately</p>",
      "rawMarkdown": "Just freeze dino except the last 2 layers + use EMA. The main insight for me was: loss fluctuates quite a lot, so probably smoothing it would lead to good correlation. but that didn't work for private unfortunately",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 3398439,
      "author_name": "mohammad2012191",
      "author_url": "",
      "post_date": "01/29/2026 06:29:14",
      "content": "<p>Just freeze dino except the last 2 layers + use EMA. The main insight for me was: loss fluctuates quite a lot, so probably smoothing it would lead to good correlation. but that didn't work for private unfortunately</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3398324": "Saw in the Discussion that top folks have a correlation between CV and LB scores.\n\nMy CV strat always lands about 0.1 points below LB, so what's the secret sauce for their CV approach?",
    "3398439": "Just freeze dino except the last 2 layers + use EMA. The main insight for me was: loss fluctuates quite a lot, so probably smoothing it would lead to good correlation. but that didn't work for private unfortunately"
  },
  "source": "meta"
}