{
  "id": 109457,
  "title": "what's the weight in the loss function?",
  "url": "/competitions/rsna-intracranial-hemorrhage-detection/discussion/109457",
  "author_name": "Chao Huang",
  "post_date": "2019-09-19T10:27:08.722000",
  "votes": 4,
  "comment_count": 1,
  "views": 0,
  "content": "<p>In the evaluation description, it says \"Submissions are evaluated using a weighted multi-label logarithmic loss ... The <code>any</code> label is weighted more highly than specific hemorrhage sub-types.\"</p>\n\n<p>Does that mean the losses of the 5 types of ICHs are equally weighted, and only the loss of the <code>any</code> label is weighted more? Also, is it possible to know the exact values of the weights used in the weighted multi-label log loss?</p>\n\n<p>Thanks.</p>",
  "messages": [
    {
      "id": 629860,
      "postDate": "2019-09-19T10:27:08.723Z",
      "content": "<p>In the evaluation description, it says \"Submissions are evaluated using a weighted multi-label logarithmic loss ... The <code>any</code> label is weighted more highly than specific hemorrhage sub-types.\"</p>\n\n<p>Does that mean the losses of the 5 types of ICHs are equally weighted, and only the loss of the <code>any</code> label is weighted more? Also, is it possible to know the exact values of the weights used in the weighted multi-label log loss?</p>\n\n<p>Thanks.</p>",
      "rawMarkdown": "In the evaluation description, it says \"Submissions are evaluated using a weighted multi-label logarithmic loss ... The `any` label is weighted more highly than specific hemorrhage sub-types.\"\n\nDoes that mean the losses of the 5 types of ICHs are equally weighted, and only the loss of the `any` label is weighted more? Also, is it possible to know the exact values of the weights used in the weighted multi-label log loss?\n\nThanks.",
      "votes": 4
    },
    {
      "id": 631884,
      "postDate": "2019-09-22T21:46:39.070Z",
      "content": "<p>I found the 'any' weight is x2 of others.\n<a href=\"https://www.kaggle.com/c/rsna-intracranial-hemorrhage-detection/discussion/109526#latest-630190\">https://www.kaggle.com/c/rsna-intracranial-hemorrhage-detection/discussion/109526#latest-630190</a></p>",
      "rawMarkdown": "I found the 'any' weight is x2 of others.\nhttps://www.kaggle.com/c/rsna-intracranial-hemorrhage-detection/discussion/109526#latest-630190"
    }
  ],
  "comments": [
    {
      "id": 631884,
      "author_name": "kambarakun",
      "author_url": "",
      "post_date": "2019-09-22T21:46:39.070000",
      "content": "<p>I found the 'any' weight is x2 of others.\n<a href=\"https://www.kaggle.com/c/rsna-intracranial-hemorrhage-detection/discussion/109526#latest-630190\">https://www.kaggle.com/c/rsna-intracranial-hemorrhage-detection/discussion/109526#latest-630190</a></p>",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "629860": "In the evaluation description, it says \"Submissions are evaluated using a weighted multi-label logarithmic loss ... The `any` label is weighted more highly than specific hemorrhage sub-types.\"\n\nDoes that mean the losses of the 5 types of ICHs are equally weighted, and only the loss of the `any` label is weighted more? Also, is it possible to know the exact values of the weights used in the weighted multi-label log loss?\n\nThanks.",
    "631884": "I found the 'any' weight is x2 of others.\nhttps://www.kaggle.com/c/rsna-intracranial-hemorrhage-detection/discussion/109526#latest-630190"
  }
}