{
  "id": 132185,
  "title": "Don't round your predictions!",
  "url": "/competitions/cat-in-the-dat-ii/discussion/132185",
  "author_name": "",
  "post_date": "2020-02-24T18:58:36.869512600Z",
  "votes": null,
  "comment_count": 3,
  "views": 0,
  "content": "<p>I know this may be silly, but in my first entries I was rounding my predictions and I was getting very low AUC, around 0.59178 and then I realized that it wasn't necessary and my AUC jump to 0.75176</p>",
  "messages": [
    {
      "id": "755416",
      "postDate": "02/24/2020 18:58:36",
      "content": "<p>I know this may be silly, but in my first entries I was rounding my predictions and I was getting very low AUC, around 0.59178 and then I realized that it wasn't necessary and my AUC jump to 0.75176</p>",
      "rawMarkdown": "I know this may be silly, but in my first entries I was rounding my predictions and I was getting very low AUC, around 0.59178 and then I realized that it wasn't necessary and my AUC jump to 0.75176",
      "votes": null
    },
    {
      "id": "758921",
      "postDate": "02/28/2020 10:47:56",
      "content": "<p>On how many digits did you round?</p>",
      "rawMarkdown": "On how many digits did you round?",
      "votes": null
    },
    {
      "id": "785195",
      "postDate": "03/24/2020 21:44:45",
      "content": "<p>Can I ask you something? What do you mean \"don't round\"? Isn't the target column that we predict 0 or 1? Have I understood the question wrong?</p>\n\n<p>Never mind, got it!</p>",
      "rawMarkdown": "Can I ask you something? What do you mean \"don't round\"? Isn't the target column that we predict 0 or 1? Have I understood the question wrong?\n\nNever mind, got it!",
      "votes": null
    },
    {
      "id": "785759",
      "postDate": "03/25/2020 11:04:49",
      "content": "<p>The area under the ROC curve is a value between 0 and 1. If you round it, the result will be less precise.That is why you should not round the values. <a href=\"https://en.wikipedia.org/wiki/Receiver_operating_characteristic\">Here</a> you have more details.</p>",
      "rawMarkdown": "The area under the ROC curve is a value between 0 and 1. If you round it, the result will be less precise.That is why you should not round the values. [Here](https://en.wikipedia.org/wiki/Receiver_operating_characteristic) you have more details.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 758921,
      "author_name": "frankmollard",
      "author_url": "",
      "post_date": "02/28/2020 10:47:56",
      "content": "<p>On how many digits did you round?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 785195,
      "author_name": "solmyros111222333",
      "author_url": "",
      "post_date": "03/24/2020 21:44:45",
      "content": "<p>Can I ask you something? What do you mean \"don't round\"? Isn't the target column that we predict 0 or 1? Have I understood the question wrong?</p>\n\n<p>Never mind, got it!</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 785759,
      "author_name": "catadanna",
      "author_url": "",
      "post_date": "03/25/2020 11:04:49",
      "content": "<p>The area under the ROC curve is a value between 0 and 1. If you round it, the result will be less precise.That is why you should not round the values. <a href=\"https://en.wikipedia.org/wiki/Receiver_operating_characteristic\">Here</a> you have more details.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "755416": "I know this may be silly, but in my first entries I was rounding my predictions and I was getting very low AUC, around 0.59178 and then I realized that it wasn't necessary and my AUC jump to 0.75176",
    "758921": "On how many digits did you round?",
    "785195": "Can I ask you something? What do you mean \"don't round\"? Isn't the target column that we predict 0 or 1? Have I understood the question wrong?\n\nNever mind, got it!",
    "785759": "The area under the ROC curve is a value between 0 and 1. If you round it, the result will be less precise.That is why you should not round the values. [Here](https://en.wikipedia.org/wiki/Receiver_operating_characteristic) you have more details."
  },
  "source": "meta"
}