{
  "id": 290139,
  "title": "Have you heard about F-ß Score? ",
  "url": "/competitions/tensorflow-great-barrier-reef/discussion/290139",
  "author_name": "L0Z1K",
  "post_date": "2021-11-23T07:55:18.701000",
  "votes": 17,
  "comment_count": 0,
  "views": 0,
  "content": "<p><strong>We usually use F1-Score for binary classification problem. And now this competition is using F2-Score for evaluation metrics!</strong></p>\n<p>F1-Score and F2-Score is generalized to F-ß Score.</p>\n<p><img src=\"https://user-images.githubusercontent.com/64528476/142987458-98c21183-4cb7-43fa-a53b-94aeaa6ea59a.png\" alt=\"image\"></p>\n<p>F1-Score is F-ß Score when ß = 1.</p>\n<p>F2-Score is F-ß Score when ß=2.</p>\n<p><strong>ß allows us to define how much the recall is important than the precision!</strong></p>\n<p>You can use <code>sklearn.metrics.fbeta_score</code> for calculating f2-score in competition. Please refer to <a href=\"https://scikit-learn.org/stable/modules/generated/sklearn.metrics.fbeta_score.html?highlight=f%20beta#sklearn.metrics.fbeta_score\" target=\"_blank\">here</a>! Thanks!</p>",
  "messages": [
    {
      "id": 1592611,
      "postDate": "2021-11-23T07:55:18.700Z",
      "content": "<p><strong>We usually use F1-Score for binary classification problem. And now this competition is using F2-Score for evaluation metrics!</strong></p>\n<p>F1-Score and F2-Score is generalized to F-ß Score.</p>\n<p><img src=\"https://user-images.githubusercontent.com/64528476/142987458-98c21183-4cb7-43fa-a53b-94aeaa6ea59a.png\" alt=\"image\"></p>\n<p>F1-Score is F-ß Score when ß = 1.</p>\n<p>F2-Score is F-ß Score when ß=2.</p>\n<p><strong>ß allows us to define how much the recall is important than the precision!</strong></p>\n<p>You can use <code>sklearn.metrics.fbeta_score</code> for calculating f2-score in competition. Please refer to <a href=\"https://scikit-learn.org/stable/modules/generated/sklearn.metrics.fbeta_score.html?highlight=f%20beta#sklearn.metrics.fbeta_score\" target=\"_blank\">here</a>! Thanks!</p>",
      "rawMarkdown": "**We usually use F1-Score for binary classification problem. And now this competition is using F2-Score for evaluation metrics!**\n\nF1-Score and F2-Score is generalized to F-ß Score.\n\n![image](https://user-images.githubusercontent.com/64528476/142987458-98c21183-4cb7-43fa-a53b-94aeaa6ea59a.png)\n\nF1-Score is F-ß Score when ß = 1.\n\nF2-Score is F-ß Score when ß=2.\n\n**ß allows us to define how much the recall is important than the precision!**\n\nYou can use `sklearn.metrics.fbeta_score` for calculating f2-score in competition. Please refer to [here](https://scikit-learn.org/stable/modules/generated/sklearn.metrics.fbeta_score.html?highlight=f%20beta#sklearn.metrics.fbeta_score)! Thanks!",
      "votes": 17
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "1592611": "**We usually use F1-Score for binary classification problem. And now this competition is using F2-Score for evaluation metrics!**\n\nF1-Score and F2-Score is generalized to F-ß Score.\n\n![image](https://user-images.githubusercontent.com/64528476/142987458-98c21183-4cb7-43fa-a53b-94aeaa6ea59a.png)\n\nF1-Score is F-ß Score when ß = 1.\n\nF2-Score is F-ß Score when ß=2.\n\n**ß allows us to define how much the recall is important than the precision!**\n\nYou can use `sklearn.metrics.fbeta_score` for calculating f2-score in competition. Please refer to [here](https://scikit-learn.org/stable/modules/generated/sklearn.metrics.fbeta_score.html?highlight=f%20beta#sklearn.metrics.fbeta_score)! Thanks!"
  }
}