{
  "id": 93907,
  "title": "Why the score can be negative number？",
  "url": "/competitions/champs-scalar-coupling/discussion/93907",
  "author_name": "",
  "post_date": "2019-05-31T02:15:41.121332500Z",
  "votes": 1,
  "comment_count": 6,
  "views": 0,
  "content": "<p>What this competition happen? Log of Mae is a strange method to calculate score...</p>",
  "messages": [
    {
      "id": "540082",
      "postDate": "05/31/2019 02:15:41",
      "content": "<p>What this competition happen? Log of Mae is a strange method to calculate score...</p>",
      "rawMarkdown": "What this competition happen? Log of Mae is a strange method to calculate score...",
      "votes": null
    },
    {
      "id": "540105",
      "postDate": "05/31/2019 03:42:20",
      "content": "<p>log( 0.1 )=-1</p>",
      "rawMarkdown": "log( 0.1 )=-1",
      "votes": null
    },
    {
      "id": "540165",
      "postDate": "05/31/2019 05:47:04",
      "content": "<p>So, the score reflects the number of digits after the decimal point? Do my understand right now?</p>",
      "rawMarkdown": "So, the score reflects the number of digits after the decimal point? Do my understand right now?",
      "votes": null
    },
    {
      "id": "540217",
      "postDate": "05/31/2019 06:58:24",
      "content": "<p>If your MAE is between 0-1, yes. Otherwise log(x) reflects the magnitude of the integer part\n(Ex. log(10) = 1 and log(1000)=3)</p>",
      "rawMarkdown": "If your MAE is between 0-1, yes. Otherwise log(x) reflects the magnitude of the integer part\n(Ex. log(10) = 1 and log(1000)=3)",
      "votes": null
    },
    {
      "id": "540240",
      "postDate": "05/31/2019 07:56:55",
      "content": "<p>According to description (evaluation section) the perfect score is ~ -20.7232.</p>",
      "rawMarkdown": "According to description (evaluation section) the perfect score is ~ -20.7232.",
      "votes": null
    },
    {
      "id": "540243",
      "postDate": "05/31/2019 08:05:14",
      "content": "<p>Check a pair of examples of loss values yourself:\n<a href=\"https://www.kaggle.com/uberkinder/efficient-metric\">https://www.kaggle.com/uberkinder/efficient-metric</a></p>",
      "rawMarkdown": "Check a pair of examples of loss values yourself:\nhttps://www.kaggle.com/uberkinder/efficient-metric",
      "votes": null
    },
    {
      "id": "543500",
      "postDate": "06/04/2019 15:09:15",
      "content": "<p>Note that the log is base <em>e</em>, not base 10. (Which you can tell from the comment that log(1e−9) = −20.72.)\nSo log(1/<em>e</em>) = −1</p>",
      "rawMarkdown": "Note that the log is base *e*, not base 10. (Which you can tell from the comment that log(1e−9) = −20.72.)\nSo log(1/*e*) = −1",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 540105,
      "author_name": "zhang8277",
      "author_url": "",
      "post_date": "05/31/2019 03:42:20",
      "content": "<p>log( 0.1 )=-1</p>",
      "votes": null,
      "replies": [
        {
          "id": 540165,
          "author_name": "dyyalex",
          "author_url": "",
          "post_date": "05/31/2019 05:47:04",
          "content": "<p>So, the score reflects the number of digits after the decimal point? Do my understand right now?</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 540217,
          "author_name": "matthewmasters",
          "author_url": "",
          "post_date": "05/31/2019 06:58:24",
          "content": "<p>If your MAE is between 0-1, yes. Otherwise log(x) reflects the magnitude of the integer part\n(Ex. log(10) = 1 and log(1000)=3)</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 543500,
          "author_name": "lytica",
          "author_url": "",
          "post_date": "06/04/2019 15:09:15",
          "content": "<p>Note that the log is base <em>e</em>, not base 10. (Which you can tell from the comment that log(1e−9) = −20.72.)\nSo log(1/<em>e</em>) = −1</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 540240,
      "author_name": "alexanderkireev",
      "author_url": "",
      "post_date": "05/31/2019 07:56:55",
      "content": "<p>According to description (evaluation section) the perfect score is ~ -20.7232.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 540243,
      "author_name": "uberkinder",
      "author_url": "",
      "post_date": "05/31/2019 08:05:14",
      "content": "<p>Check a pair of examples of loss values yourself:\n<a href=\"https://www.kaggle.com/uberkinder/efficient-metric\">https://www.kaggle.com/uberkinder/efficient-metric</a></p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "540082": "What this competition happen? Log of Mae is a strange method to calculate score...",
    "540105": "log( 0.1 )=-1",
    "540165": "So, the score reflects the number of digits after the decimal point? Do my understand right now?",
    "540217": "If your MAE is between 0-1, yes. Otherwise log(x) reflects the magnitude of the integer part\n(Ex. log(10) = 1 and log(1000)=3)",
    "540240": "According to description (evaluation section) the perfect score is ~ -20.7232.",
    "540243": "Check a pair of examples of loss values yourself:\nhttps://www.kaggle.com/uberkinder/efficient-metric",
    "543500": "Note that the log is base *e*, not base 10. (Which you can tell from the comment that log(1e−9) = −20.72.)\nSo log(1/*e*) = −1"
  },
  "source": "meta"
}