{
  "id": 411151,
  "title": "Trying to understand how evaluation works...",
  "url": "/competitions/tlvmc-parkinsons-freezing-gait-prediction/discussion/411151",
  "author_name": "Zahra Nikdel",
  "post_date": "2023-05-18T00:26:54.452000",
  "votes": 0,
  "comment_count": 2,
  "views": 0,
  "content": "<p>Would please someone explain how does the evaluation work exactly? I submitted all 1s once and then all 0s but I got the exact same score of 0.106<br>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5146941%2Fb69ac919b7d3992d1096498f28f25e98%2Fones-zeroes.png?generation=1684369661450715&amp;alt=media\" alt=\"\"></p>",
  "messages": [
    {
      "id": 2265528,
      "postDate": "2023-05-19T10:07:53.717Z",
      "content": "<p>Competition metric is mean average precision. This metric is sensitive to difference between your predictions for (actual) 1's and 0's. If there is no difference between your predictions you will get the same PR curve and the same mean average precision. If you submit all X you will get the same result.</p>",
      "rawMarkdown": "Competition metric is mean average precision. This metric is sensitive to difference between your predictions for (actual) 1's and 0's. If there is no difference between your predictions you will get the same PR curve and the same mean average precision. If you submit all X you will get the same result."
    },
    {
      "id": 2263813,
      "postDate": "2023-05-18T00:26:54.453Z",
      "content": "<p>Would please someone explain how does the evaluation work exactly? I submitted all 1s once and then all 0s but I got the exact same score of 0.106<br>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5146941%2Fb69ac919b7d3992d1096498f28f25e98%2Fones-zeroes.png?generation=1684369661450715&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "Would please someone explain how does the evaluation work exactly? I submitted all 1s once and then all 0s but I got the exact same score of 0.106\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5146941%2Fb69ac919b7d3992d1096498f28f25e98%2Fones-zeroes.png?generation=1684369661450715&alt=media)"
    },
    {
      "id": 2265578,
      "postDate": "2023-05-19T11:00:09.177Z",
      "rawMarkdown": "",
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 2265528,
      "author_name": "Egor",
      "author_url": "",
      "post_date": "2023-05-19T10:07:53.717000",
      "content": "<p>Competition metric is mean average precision. This metric is sensitive to difference between your predictions for (actual) 1's and 0's. If there is no difference between your predictions you will get the same PR curve and the same mean average precision. If you submit all X you will get the same result.</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 2265578,
      "author_name": "",
      "author_url": "",
      "post_date": "2023-05-19T11:00:09.177000",
      "content": "",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2265528": "Competition metric is mean average precision. This metric is sensitive to difference between your predictions for (actual) 1's and 0's. If there is no difference between your predictions you will get the same PR curve and the same mean average precision. If you submit all X you will get the same result.",
    "2263813": "Would please someone explain how does the evaluation work exactly? I submitted all 1s once and then all 0s but I got the exact same score of 0.106\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F5146941%2Fb69ac919b7d3992d1096498f28f25e98%2Fones-zeroes.png?generation=1684369661450715&alt=media)",
    "2265578": ""
  }
}