{
  "id": 498770,
  "title": "how to effectively ensemble ？",
  "url": "/competitions/home-credit-credit-risk-model-stability/discussion/498770",
  "author_name": "",
  "post_date": "2024-04-29T14:18:22.506846700Z",
  "votes": 1,
  "comment_count": 3,
  "views": 0,
  "content": "<p>I use cat, lgb, xgb to stacking， but LB score only increase a bit, less then 0.001。</p>",
  "messages": [
    {
      "id": "2782966",
      "postDate": "04/29/2024 14:18:22",
      "content": "<p>I use cat, lgb, xgb to stacking， but LB score only increase a bit, less then 0.001。</p>",
      "rawMarkdown": "I use cat, lgb, xgb to stacking， but LB score only increase a bit, less then 0.001。",
      "votes": null
    },
    {
      "id": "2783030",
      "postDate": "04/29/2024 14:42:42",
      "content": "<p><a href=\"https://www.kaggle.com/huangshibao\" target=\"_blank\">@huangshibao</a> Did you do ensemble using weighted average? or just the average?</p>",
      "rawMarkdown": "huangshibao Did you do ensemble using weighted average? or just the average?",
      "votes": null
    },
    {
      "id": "2783810",
      "postDate": "04/30/2024 01:02:13",
      "content": "<p>I use gini scores to weighted average</p>",
      "rawMarkdown": "I use gini scores to weighted average",
      "votes": null
    },
    {
      "id": "2783812",
      "postDate": "04/30/2024 01:03:24",
      "content": "<p>and tried two level stacking method, also got the same result</p>",
      "rawMarkdown": "and tried two level stacking method, also got the same result",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2783030,
      "author_name": "thiagomantuani",
      "author_url": "",
      "post_date": "04/29/2024 14:42:42",
      "content": "<p><a href=\"https://www.kaggle.com/huangshibao\" target=\"_blank\">@huangshibao</a> Did you do ensemble using weighted average? or just the average?</p>",
      "votes": null,
      "replies": [
        {
          "id": 2783810,
          "author_name": "huangshibao",
          "author_url": "",
          "post_date": "04/30/2024 01:02:13",
          "content": "<p>I use gini scores to weighted average</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 2783812,
          "author_name": "huangshibao",
          "author_url": "",
          "post_date": "04/30/2024 01:03:24",
          "content": "<p>and tried two level stacking method, also got the same result</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "2782966": "I use cat, lgb, xgb to stacking， but LB score only increase a bit, less then 0.001。",
    "2783030": "huangshibao Did you do ensemble using weighted average? or just the average?",
    "2783810": "I use gini scores to weighted average",
    "2783812": "and tried two level stacking method, also got the same result"
  },
  "source": "meta"
}