{
  "id": 446390,
  "title": "Is sample weight not given?",
  "url": "/competitions/UBC-OCEAN/discussion/446390",
  "author_name": "fam_taro",
  "post_date": "2023-10-11T13:39:12.344000",
  "votes": 2,
  "comment_count": 3,
  "views": 0,
  "content": "<p><a href=\"https://www.kaggle.com/ashleychow\" target=\"_blank\">@ashleychow</a> <a href=\"https://www.kaggle.com/homesmac\" target=\"_blank\">@homesmac</a><br>\nThis competition uses <a href=\"https://www.kaggle.com/code/metric/balanced-accuracy-score\" target=\"_blank\">balanced accuracy</a> as the evaluation method. And sample weight is very important in this evaluation method. </p>\n<p>Is it possible for us to know the sample weight?<br>\nIf not, it will be difficult to evaluate in our local environment.</p>",
  "messages": [
    {
      "id": 2477910,
      "postDate": "2023-10-11T16:40:09.193Z",
      "content": "<p>Doesn't balanced accuracy mean macro averaged accuracy? No sample weight means all samples have the same weight (1).</p>",
      "rawMarkdown": "Doesn't balanced accuracy mean macro averaged accuracy? No sample weight means all samples have the same weight (1).",
      "votes": 2,
      "replies": [
        {
          "id": 2478420,
          "postDate": "2023-10-12T02:09:06.483Z",
          "content": "<p>Of course it is possible that you are right.</p>",
          "rawMarkdown": "Of course it is possible that you are right."
        }
      ]
    },
    {
      "id": 2477669,
      "postDate": "2023-10-11T13:39:12.343Z",
      "content": "<p><a href=\"https://www.kaggle.com/ashleychow\" target=\"_blank\">@ashleychow</a> <a href=\"https://www.kaggle.com/homesmac\" target=\"_blank\">@homesmac</a><br>\nThis competition uses <a href=\"https://www.kaggle.com/code/metric/balanced-accuracy-score\" target=\"_blank\">balanced accuracy</a> as the evaluation method. And sample weight is very important in this evaluation method. </p>\n<p>Is it possible for us to know the sample weight?<br>\nIf not, it will be difficult to evaluate in our local environment.</p>",
      "rawMarkdown": "@ashleychow @homesmac\nThis competition uses [balanced accuracy](https://www.kaggle.com/code/metric/balanced-accuracy-score) as the evaluation method. And sample weight is very important in this evaluation method. \n\nIs it possible for us to know the sample weight?\nIf not, it will be difficult to evaluate in our local environment.",
      "votes": 2
    },
    {
      "id": 2538595,
      "postDate": "2023-11-26T09:53:22.700Z",
      "content": "<p>Balanced accuracy is the average of sensitivity and selectivity. I didn't get why we are talking about sample weight. Am I missing something?</p>",
      "rawMarkdown": "Balanced accuracy is the average of sensitivity and selectivity. I didn't get why we are talking about sample weight. Am I missing something?"
    }
  ],
  "comments": [
    {
      "id": 2477910,
      "author_name": "Gunes Evitan",
      "author_url": "",
      "post_date": "2023-10-11T16:40:09.193000",
      "content": "<p>Doesn't balanced accuracy mean macro averaged accuracy? No sample weight means all samples have the same weight (1).</p>",
      "votes": 2,
      "replies": [
        {
          "id": 2478420,
          "author_name": "fam_taro",
          "author_url": "",
          "post_date": "2023-10-12T02:09:06.483000",
          "content": "<p>Of course it is possible that you are right.</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 2538595,
      "author_name": "Akash Gupta",
      "author_url": "",
      "post_date": "2023-11-26T09:53:22.700000",
      "content": "<p>Balanced accuracy is the average of sensitivity and selectivity. I didn't get why we are talking about sample weight. Am I missing something?</p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2477910": "Doesn't balanced accuracy mean macro averaged accuracy? No sample weight means all samples have the same weight (1).",
    "2477669": "@ashleychow @homesmac\nThis competition uses [balanced accuracy](https://www.kaggle.com/code/metric/balanced-accuracy-score) as the evaluation method. And sample weight is very important in this evaluation method. \n\nIs it possible for us to know the sample weight?\nIf not, it will be difficult to evaluate in our local environment.",
    "2538595": "Balanced accuracy is the average of sensitivity and selectivity. I didn't get why we are talking about sample weight. Am I missing something?"
  }
}