{
  "id": 94033,
  "title": "Why my model fit well, but LB just get worse?",
  "url": "/competitions/LANL-Earthquake-Prediction/discussion/94033",
  "author_name": "",
  "post_date": "2019-06-01T07:54:22.849100900Z",
  "votes": null,
  "comment_count": 4,
  "views": 0,
  "content": "<p>first pic ,I got LB 1.374. But second pic, I just got LB 1.425. Any idea?</p>",
  "messages": [
    {
      "id": "540837",
      "postDate": "06/01/2019 07:54:22",
      "content": "<p>first pic ,I got LB 1.374. But second pic, I just got LB 1.425. Any idea?</p>",
      "rawMarkdown": "first pic ,I got LB 1.374. But second pic, I just got LB 1.425. Any idea?",
      "votes": null
    },
    {
      "id": "540858",
      "postDate": "06/01/2019 08:37:04",
      "content": "<p>Second looks overfit, but hard to say without knowing details.</p>",
      "rawMarkdown": "Second looks overfit, but hard to say without knowing details.",
      "votes": null
    },
    {
      "id": "541021",
      "postDate": "06/01/2019 15:02:51",
      "content": "<p>I'd be better if we could look at some details. Pretty hard to interpret with just graphs.</p>",
      "rawMarkdown": "I'd be better if we could look at some details. Pretty hard to interpret with just graphs.",
      "votes": null
    },
    {
      "id": "541407",
      "postDate": "06/02/2019 11:49:47",
      "content": "<p>I had the same problem too. I found satisfying model, but the LB score was only 1570.</p>",
      "rawMarkdown": "I had the same problem too. I found satisfying model, but the LB score was only 1570.",
      "votes": null
    },
    {
      "id": "541473",
      "postDate": "06/02/2019 14:03:39",
      "content": "<p><a href=\"/timmmmmms\">@timmmmmms</a>, did you do ovsersampling of some sort? If so data leakage may be the culprit otherwise trust the plot with the better CV score.</p>",
      "rawMarkdown": "timmmmmms, did you do ovsersampling of some sort? If so data leakage may be the culprit otherwise trust the plot with the better CV score.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 540858,
      "author_name": "philippsinger",
      "author_url": "",
      "post_date": "06/01/2019 08:37:04",
      "content": "<p>Second looks overfit, but hard to say without knowing details.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 541021,
      "author_name": "akhileshrai",
      "author_url": "",
      "post_date": "06/01/2019 15:02:51",
      "content": "<p>I'd be better if we could look at some details. Pretty hard to interpret with just graphs.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 541407,
      "author_name": "arisukma",
      "author_url": "",
      "post_date": "06/02/2019 11:49:47",
      "content": "<p>I had the same problem too. I found satisfying model, but the LB score was only 1570.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 541473,
      "author_name": "sheriytm",
      "author_url": "",
      "post_date": "06/02/2019 14:03:39",
      "content": "<p><a href=\"/timmmmmms\">@timmmmmms</a>, did you do ovsersampling of some sort? If so data leakage may be the culprit otherwise trust the plot with the better CV score.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "540837": "first pic ,I got LB 1.374. But second pic, I just got LB 1.425. Any idea?",
    "540858": "Second looks overfit, but hard to say without knowing details.",
    "541021": "I'd be better if we could look at some details. Pretty hard to interpret with just graphs.",
    "541407": "I had the same problem too. I found satisfying model, but the LB score was only 1570.",
    "541473": "timmmmmms, did you do ovsersampling of some sort? If so data leakage may be the culprit otherwise trust the plot with the better CV score."
  },
  "source": "meta"
}