{
  "id": 343783,
  "title": "why my cv score +0.01 but lb score -0.01?",
  "url": "/competitions/amex-default-prediction/discussion/343783",
  "author_name": "",
  "post_date": "2022-08-12T13:24:49.142698400Z",
  "votes": null,
  "comment_count": 1,
  "views": 0,
  "content": "<p>How cound I solve this problem</p>",
  "messages": [
    {
      "id": "1895972",
      "postDate": "08/12/2022 13:24:49",
      "content": "<p>How cound I solve this problem</p>",
      "rawMarkdown": "How cound I solve this problem",
      "votes": null
    },
    {
      "id": "1896130",
      "postDate": "08/12/2022 15:56:32",
      "content": "<p>Do you mean to ask why CV <code>+0.001</code> and LB <code>-0.001</code>. Or did your CV boost <code>+0.010</code>?</p>\n<p>The former is normal due to the variance in this competition's metric CV LB. The latter would be the result of a bug in your code. (An example of the later would be CV go from 0.790 to 0.800 while LB go from 0.790 to 0.780).</p>",
      "rawMarkdown": "Do you mean to ask why CV `+0.001` and LB `-0.001`. Or did your CV boost `+0.010`?\n\nThe former is normal due to the variance in this competition's metric CV LB. The latter would be the result of a bug in your code. (An example of the later would be CV go from 0.790 to 0.800 while LB go from 0.790 to 0.780).",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1896130,
      "author_name": "cdeotte",
      "author_url": "",
      "post_date": "08/12/2022 15:56:32",
      "content": "<p>Do you mean to ask why CV <code>+0.001</code> and LB <code>-0.001</code>. Or did your CV boost <code>+0.010</code>?</p>\n<p>The former is normal due to the variance in this competition's metric CV LB. The latter would be the result of a bug in your code. (An example of the later would be CV go from 0.790 to 0.800 while LB go from 0.790 to 0.780).</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1895972": "How cound I solve this problem",
    "1896130": "Do you mean to ask why CV `+0.001` and LB `-0.001`. Or did your CV boost `+0.010`?\n\nThe former is normal due to the variance in this competition's metric CV LB. The latter would be the result of a bug in your code. (An example of the later would be CV go from 0.790 to 0.800 while LB go from 0.790 to 0.780)."
  },
  "source": "meta"
}