{
  "id": 117825,
  "title": "Sitewise models ",
  "url": "/competitions/ashrae-energy-prediction/discussion/117825",
  "author_name": "",
  "post_date": "2019-11-18T05:12:56.981939400Z",
  "votes": 2,
  "comment_count": 5,
  "views": 0,
  "content": "<p>I was wondering if someone has tried this.  Every site is unique in terms of weather pattern which drives energy consumption (besides building attributes). I am trying but the score is in range of 1.12-1.16. Any thoughts?</p>",
  "messages": [
    {
      "id": "675451",
      "postDate": "11/18/2019 05:12:56",
      "content": "<p>I was wondering if someone has tried this.  Every site is unique in terms of weather pattern which drives energy consumption (besides building attributes). I am trying but the score is in range of 1.12-1.16. Any thoughts?</p>",
      "rawMarkdown": "I was wondering if someone has tried this.  Every site is unique in terms of weather pattern which drives energy consumption (besides building attributes). I am trying but the score is in range of 1.12-1.16. Any thoughts?",
      "votes": null
    },
    {
      "id": "675465",
      "postDate": "11/18/2019 05:28:38",
      "content": "<p>I have shared a skeletal <a href=\"https://www.kaggle.com/rohanrao/ashrae-divide-and-conquer\">kernel</a> that scores 1.15 (and with some minor changes, I've achieved 1.10 using the same snippet) without the use of any external data or labels.</p>",
      "rawMarkdown": "I have shared a skeletal [kernel](https://www.kaggle.com/rohanrao/ashrae-divide-and-conquer) that scores 1.15 (and with some minor changes, I've achieved 1.10 using the same snippet) without the use of any external data or labels.",
      "votes": null
    },
    {
      "id": "675468",
      "postDate": "11/18/2019 05:36:00",
      "content": "<p>I don't think it will make any difference for gbm models</p>",
      "rawMarkdown": "I don't think it will make any difference for gbm models",
      "votes": null
    },
    {
      "id": "675480",
      "postDate": "11/18/2019 05:49:08",
      "content": "<p>For the same set of parameters it won't make much of a difference, especially considering building_id is generally the top feature so LGBM starts with splitting on buildings (same for site-models). In fact, you'd expect the model on entire dataset to perform better.</p>\n\n<p>But, if you tune the hyper-parameters for each site-id model to optimally fit the data for that site-id, you can improve your score beyond 1.10</p>",
      "rawMarkdown": "For the same set of parameters it won't make much of a difference, especially considering building_id is generally the top feature so LGBM starts with splitting on buildings (same for site-models). In fact, you'd expect the model on entire dataset to perform better.\n\nBut, if you tune the hyper-parameters for each site-id model to optimally fit the data for that site-id, you can improve your score beyond 1.10",
      "votes": null
    },
    {
      "id": "675493",
      "postDate": "11/18/2019 06:00:24",
      "content": "<p>Thanks for the advice. Is your std between model scores is too high?</p>",
      "rawMarkdown": "Thanks for the advice. Is your std between model scores is too high?",
      "votes": null
    },
    {
      "id": "675505",
      "postDate": "11/18/2019 06:26:48",
      "content": "<p><a href=\"/rohanrao\">@rohanrao</a> <a href=\"/gunesevitan\">@gunesevitan</a>  Thanks for the reply- this is helpful!</p>",
      "rawMarkdown": "rohanrao @gunesevitan  Thanks for the reply- this is helpful!",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 675465,
      "author_name": "rohanrao",
      "author_url": "",
      "post_date": "11/18/2019 05:28:38",
      "content": "<p>I have shared a skeletal <a href=\"https://www.kaggle.com/rohanrao/ashrae-divide-and-conquer\">kernel</a> that scores 1.15 (and with some minor changes, I've achieved 1.10 using the same snippet) without the use of any external data or labels.</p>",
      "votes": null,
      "replies": [
        {
          "id": 675505,
          "author_name": "prasunmishra",
          "author_url": "",
          "post_date": "11/18/2019 06:26:48",
          "content": "<p><a href=\"/rohanrao\">@rohanrao</a> <a href=\"/gunesevitan\">@gunesevitan</a>  Thanks for the reply- this is helpful!</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 675468,
      "author_name": "gunesevitan",
      "author_url": "",
      "post_date": "11/18/2019 05:36:00",
      "content": "<p>I don't think it will make any difference for gbm models</p>",
      "votes": null,
      "replies": [
        {
          "id": 675480,
          "author_name": "rohanrao",
          "author_url": "",
          "post_date": "11/18/2019 05:49:08",
          "content": "<p>For the same set of parameters it won't make much of a difference, especially considering building_id is generally the top feature so LGBM starts with splitting on buildings (same for site-models). In fact, you'd expect the model on entire dataset to perform better.</p>\n\n<p>But, if you tune the hyper-parameters for each site-id model to optimally fit the data for that site-id, you can improve your score beyond 1.10</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 675493,
          "author_name": "gunesevitan",
          "author_url": "",
          "post_date": "11/18/2019 06:00:24",
          "content": "<p>Thanks for the advice. Is your std between model scores is too high?</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "675451": "I was wondering if someone has tried this.  Every site is unique in terms of weather pattern which drives energy consumption (besides building attributes). I am trying but the score is in range of 1.12-1.16. Any thoughts?",
    "675465": "I have shared a skeletal [kernel](https://www.kaggle.com/rohanrao/ashrae-divide-and-conquer) that scores 1.15 (and with some minor changes, I've achieved 1.10 using the same snippet) without the use of any external data or labels.",
    "675468": "I don't think it will make any difference for gbm models",
    "675480": "For the same set of parameters it won't make much of a difference, especially considering building_id is generally the top feature so LGBM starts with splitting on buildings (same for site-models). In fact, you'd expect the model on entire dataset to perform better.\n\nBut, if you tune the hyper-parameters for each site-id model to optimally fit the data for that site-id, you can improve your score beyond 1.10",
    "675493": "Thanks for the advice. Is your std between model scores is too high?",
    "675505": "rohanrao @gunesevitan  Thanks for the reply- this is helpful!"
  },
  "source": "meta"
}