{
  "id": 318051,
  "title": "About private dataset",
  "url": "/competitions/football-match-probability-prediction/discussion/318051",
  "author_name": "",
  "post_date": "2022-04-10T10:15:10.545658900Z",
  "votes": 1,
  "comment_count": 3,
  "views": 0,
  "content": "<p>Hello!<br>\nCan you please tell me why the team names were removed?<br>\nAnd will the names of the teams be presented in the private dataset?<br>\nIt's a very good feature and with it I got the results of 0.99212 in public leaderboard<br>\nThanks in advance!</p>",
  "messages": [
    {
      "id": "1751046",
      "postDate": "04/10/2022 10:15:10",
      "content": "<p>Hello!<br>\nCan you please tell me why the team names were removed?<br>\nAnd will the names of the teams be presented in the private dataset?<br>\nIt's a very good feature and with it I got the results of 0.99212 in public leaderboard<br>\nThanks in advance!</p>",
      "rawMarkdown": "Hello!\nCan you please tell me why the team names were removed?\nAnd will the names of the teams be presented in the private dataset?\nIt's a very good feature and with it I got the results of 0.99212 in public leaderboard\nThanks in advance!",
      "votes": null
    },
    {
      "id": "1751146",
      "postDate": "04/10/2022 12:25:11",
      "content": "<p>Hi,</p>\n<p>I am not sure to understand what you mean. Teams that are cheating using the test set or using the we web to get match results of the test set are automatically removed. They won't be in the private set.</p>",
      "rawMarkdown": "Hi,\n\nI am not sure to understand what you mean. Teams that are cheating using the test set or using the we web to get match results of the test set are automatically removed. They won't be in the private set.",
      "votes": null
    },
    {
      "id": "1751161",
      "postDate": "04/10/2022 12:52:58",
      "content": "<p>Firstly, testset contained home_team_name and away_team_name. Now isn’t so. Why is it so? I have trained model with this columns without internet.<br>\nAnd my question is private set will contain home_team_name and away_team_name or no?</p>",
      "rawMarkdown": "Firstly, testset contained home_team_name and away_team_name. Now isn’t so. Why is it so? I have trained model with this columns without internet.\nAnd my question is private set will contain home_team_name and away_team_name or no?",
      "votes": null
    },
    {
      "id": "1751174",
      "postDate": "04/10/2022 13:04:32",
      "content": "<p>No these columns are not available anymore for three reasons:</p>\n<ul>\n<li>People using the test set to infer teams' scores in the training</li>\n<li>Using teams yields too much overfitting (leakage)</li>\n<li>The dataset per team is too small to infer anything from team's names anyway</li>\n</ul>\n<p>At first, we wanted competitors to have access to teams' names for football fans. Indeed the experience is much more fun than if we hide everything. For that reason, it is still available in the training set but can not be used in the test set.</p>",
      "rawMarkdown": "No these columns are not available anymore for three reasons:\n- People using the test set to infer teams' scores in the training\n- Using teams yields too much overfitting (leakage)\n- The dataset per team is too small to infer anything from team's names anyway\n\nAt first, we wanted competitors to have access to teams' names for football fans. Indeed the experience is much more fun than if we hide everything. For that reason, it is still available in the training set but can not be used in the test set.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1751146,
      "author_name": "octosportio",
      "author_url": "",
      "post_date": "04/10/2022 12:25:11",
      "content": "<p>Hi,</p>\n<p>I am not sure to understand what you mean. Teams that are cheating using the test set or using the we web to get match results of the test set are automatically removed. They won't be in the private set.</p>",
      "votes": null,
      "replies": [
        {
          "id": 1751161,
          "author_name": "nikolayluzhynski",
          "author_url": "",
          "post_date": "04/10/2022 12:52:58",
          "content": "<p>Firstly, testset contained home_team_name and away_team_name. Now isn’t so. Why is it so? I have trained model with this columns without internet.<br>\nAnd my question is private set will contain home_team_name and away_team_name or no?</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1751174,
          "author_name": "octosportio",
          "author_url": "",
          "post_date": "04/10/2022 13:04:32",
          "content": "<p>No these columns are not available anymore for three reasons:</p>\n<ul>\n<li>People using the test set to infer teams' scores in the training</li>\n<li>Using teams yields too much overfitting (leakage)</li>\n<li>The dataset per team is too small to infer anything from team's names anyway</li>\n</ul>\n<p>At first, we wanted competitors to have access to teams' names for football fans. Indeed the experience is much more fun than if we hide everything. For that reason, it is still available in the training set but can not be used in the test set.</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "1751046": "Hello!\nCan you please tell me why the team names were removed?\nAnd will the names of the teams be presented in the private dataset?\nIt's a very good feature and with it I got the results of 0.99212 in public leaderboard\nThanks in advance!",
    "1751146": "Hi,\n\nI am not sure to understand what you mean. Teams that are cheating using the test set or using the we web to get match results of the test set are automatically removed. They won't be in the private set.",
    "1751161": "Firstly, testset contained home_team_name and away_team_name. Now isn’t so. Why is it so? I have trained model with this columns without internet.\nAnd my question is private set will contain home_team_name and away_team_name or no?",
    "1751174": "No these columns are not available anymore for three reasons:\n- People using the test set to infer teams' scores in the training\n- Using teams yields too much overfitting (leakage)\n- The dataset per team is too small to infer anything from team's names anyway\n\nAt first, we wanted competitors to have access to teams' names for football fans. Indeed the experience is much more fun than if we hide everything. For that reason, it is still available in the training set but can not be used in the test set."
  },
  "source": "meta"
}