{
  "id": 216017,
  "title": "What do you think the degree of shake-up will be？",
  "url": "/competitions/cassava-leaf-disease-classification/discussion/216017",
  "author_name": "",
  "post_date": "2021-02-01T08:18:05.395555500Z",
  "votes": 11,
  "comment_count": 10,
  "views": 0,
  "content": "<p>The LB here  <a href=\"url\" target=\"_blank\">https://www.kaggle.com/c/cassava-disease/overview</a> in 2019 did not shake-up much. However, there were way fewer teams, only 86.</p>\n<p>For the top 10 teams in 2019, the shake is likely to be in the range [-0.006, +0.006].<br>\nWhich is quite a small number I believe, you could have [-0.001, +0.001] shake with the same submission impacted by the randomness of TTA even with a huge ensemble.</p>\n<p>Will the shake-up be an earthquake this year? What do you think?<br>\nPersonally, I would say the shake-up will slightly bigger than in 2019, somewhere inside [+-0.005, +-0.009].</p>",
  "messages": [
    {
      "id": "1180363",
      "postDate": "02/01/2021 08:18:05",
      "content": "<p>The LB here  <a href=\"url\" target=\"_blank\">https://www.kaggle.com/c/cassava-disease/overview</a> in 2019 did not shake-up much. However, there were way fewer teams, only 86.</p>\n<p>For the top 10 teams in 2019, the shake is likely to be in the range [-0.006, +0.006].<br>\nWhich is quite a small number I believe, you could have [-0.001, +0.001] shake with the same submission impacted by the randomness of TTA even with a huge ensemble.</p>\n<p>Will the shake-up be an earthquake this year? What do you think?<br>\nPersonally, I would say the shake-up will slightly bigger than in 2019, somewhere inside [+-0.005, +-0.009].</p>",
      "rawMarkdown": "The LB here  [https://www.kaggle.com/c/cassava-disease/overview](url) in 2019 did not shake-up much. However, there were way fewer teams, only 86.\n\nFor the top 10 teams in 2019, the shake is likely to be in the range [-0.006, +0.006].\nWhich is quite a small number I believe, you could have [-0.001, +0.001] shake with the same submission impacted by the randomness of TTA even with a huge ensemble.\n\nWill the shake-up be an earthquake this year? What do you think?\nPersonally, I would say the shake-up will slightly bigger than in 2019, somewhere inside [+-0.005, +-0.009].",
      "votes": null
    },
    {
      "id": "1180378",
      "postDate": "02/01/2021 08:24:18",
      "content": "<p>The noise in test set may cause a big shake.</p>",
      "rawMarkdown": "The noise in test set may cause a big shake.",
      "votes": null
    },
    {
      "id": "1180379",
      "postDate": "02/01/2021 08:24:18",
      "content": "<p>The noise in test set may cause a big shake.</p>",
      "rawMarkdown": "The noise in test set may cause a big shake.",
      "votes": null
    },
    {
      "id": "1180477",
      "postDate": "02/01/2021 09:29:10",
      "content": "<p>you can test it if you have oof results.  Randomly split the oof by 31% and 67% and run it many times and compare the std between 31% and 67%</p>",
      "rawMarkdown": "you can test it if you have oof results.  Randomly split the oof by 31% and 67% and run it many times and compare the std between 31% and 67%",
      "votes": null
    },
    {
      "id": "1180483",
      "postDate": "02/01/2021 09:33:00",
      "content": "<p>whats your result doing this?</p>",
      "rawMarkdown": "whats your result doing this?",
      "votes": null
    },
    {
      "id": "1180487",
      "postDate": "02/01/2021 09:36:32",
      "content": "<p>[-0.005, +0.005], quite close to 2019 comp. It is not big deal for top teams, but quite large for the rest</p>",
      "rawMarkdown": "[-0.005, +0.005], quite close to 2019 comp. It is not big deal for top teams, but quite large for the rest",
      "votes": null
    },
    {
      "id": "1180499",
      "postDate": "02/01/2021 09:50:10",
      "content": "<p>this gives a good insight <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/207410\" target=\"_blank\">https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/207410</a></p>",
      "rawMarkdown": "this gives a good insight https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/207410",
      "votes": null
    },
    {
      "id": "1180512",
      "postDate": "02/01/2021 09:56:24",
      "content": "<p>I remember 2-3 private LB scores are shared because of the leak. Seems deleted now.<br>\nDid not record that, but I do remember these numbers did not shake much.</p>",
      "rawMarkdown": "I remember 2-3 private LB scores are shared because of the leak. Seems deleted now.\nDid not record that, but I do remember these numbers did not shake much.",
      "votes": null
    },
    {
      "id": "1180544",
      "postDate": "02/01/2021 10:15:19",
      "content": "<p>Yep, most of them where nearly the same </p>",
      "rawMarkdown": "Yep, most of them where nearly the same",
      "votes": null
    },
    {
      "id": "1181111",
      "postDate": "02/01/2021 16:50:21",
      "content": "<p>I feel the shake up will be much worse.<br>\nRemember this <a href=\"url\" target=\"_blank\">https://www.kaggle.com/c/osic-pulmonary-fibrosis-progression</a> ? <br>\nI think it will be on a similar scale :/</p>",
      "rawMarkdown": "I feel the shake up will be much worse.\nRemember this [https://www.kaggle.com/c/osic-pulmonary-fibrosis-progression](url) ? \nI think it will be on a similar scale :/",
      "votes": null
    },
    {
      "id": "1181123",
      "postDate": "02/01/2021 17:01:47",
      "content": "<p>why you think so? is there any evidence? <br>\nin this competition it's \"just\" images and their accuracy; so no additional features to evaluate and no special metric like \"forced vital capacity\"</p>",
      "rawMarkdown": "why you think so? is there any evidence? \nin this competition it's \"just\" images and their accuracy; so no additional features to evaluate and no special metric like \"forced vital capacity\"",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1180378,
      "author_name": "zekunn",
      "author_url": "",
      "post_date": "02/01/2021 08:24:18",
      "content": "<p>The noise in test set may cause a big shake.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1180379,
      "author_name": "zekunn",
      "author_url": "",
      "post_date": "02/01/2021 08:24:18",
      "content": "<p>The noise in test set may cause a big shake.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1180477,
      "author_name": "murphy89",
      "author_url": "",
      "post_date": "02/01/2021 09:29:10",
      "content": "<p>you can test it if you have oof results.  Randomly split the oof by 31% and 67% and run it many times and compare the std between 31% and 67%</p>",
      "votes": null,
      "replies": [
        {
          "id": 1180483,
          "author_name": "alexanderriedel",
          "author_url": "",
          "post_date": "02/01/2021 09:33:00",
          "content": "<p>whats your result doing this?</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1180487,
          "author_name": "murphy89",
          "author_url": "",
          "post_date": "02/01/2021 09:36:32",
          "content": "<p>[-0.005, +0.005], quite close to 2019 comp. It is not big deal for top teams, but quite large for the rest</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1180499,
      "author_name": "mithilsalunkhe",
      "author_url": "",
      "post_date": "02/01/2021 09:50:10",
      "content": "<p>this gives a good insight <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/207410\" target=\"_blank\">https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/207410</a></p>",
      "votes": null,
      "replies": [
        {
          "id": 1180512,
          "author_name": "zlanan",
          "author_url": "",
          "post_date": "02/01/2021 09:56:24",
          "content": "<p>I remember 2-3 private LB scores are shared because of the leak. Seems deleted now.<br>\nDid not record that, but I do remember these numbers did not shake much.</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1180544,
          "author_name": "mithilsalunkhe",
          "author_url": "",
          "post_date": "02/01/2021 10:15:19",
          "content": "<p>Yep, most of them where nearly the same </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1181111,
      "author_name": "pratt3000",
      "author_url": "",
      "post_date": "02/01/2021 16:50:21",
      "content": "<p>I feel the shake up will be much worse.<br>\nRemember this <a href=\"url\" target=\"_blank\">https://www.kaggle.com/c/osic-pulmonary-fibrosis-progression</a> ? <br>\nI think it will be on a similar scale :/</p>",
      "votes": null,
      "replies": [
        {
          "id": 1181123,
          "author_name": "alexanderriedel",
          "author_url": "",
          "post_date": "02/01/2021 17:01:47",
          "content": "<p>why you think so? is there any evidence? <br>\nin this competition it's \"just\" images and their accuracy; so no additional features to evaluate and no special metric like \"forced vital capacity\"</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "1180363": "The LB here  [https://www.kaggle.com/c/cassava-disease/overview](url) in 2019 did not shake-up much. However, there were way fewer teams, only 86.\n\nFor the top 10 teams in 2019, the shake is likely to be in the range [-0.006, +0.006].\nWhich is quite a small number I believe, you could have [-0.001, +0.001] shake with the same submission impacted by the randomness of TTA even with a huge ensemble.\n\nWill the shake-up be an earthquake this year? What do you think?\nPersonally, I would say the shake-up will slightly bigger than in 2019, somewhere inside [+-0.005, +-0.009].",
    "1180378": "The noise in test set may cause a big shake.",
    "1180379": "The noise in test set may cause a big shake.",
    "1180477": "you can test it if you have oof results.  Randomly split the oof by 31% and 67% and run it many times and compare the std between 31% and 67%",
    "1180483": "whats your result doing this?",
    "1180487": "[-0.005, +0.005], quite close to 2019 comp. It is not big deal for top teams, but quite large for the rest",
    "1180499": "this gives a good insight https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/207410",
    "1180512": "I remember 2-3 private LB scores are shared because of the leak. Seems deleted now.\nDid not record that, but I do remember these numbers did not shake much.",
    "1180544": "Yep, most of them where nearly the same",
    "1181111": "I feel the shake up will be much worse.\nRemember this [https://www.kaggle.com/c/osic-pulmonary-fibrosis-progression](url) ? \nI think it will be on a similar scale :/",
    "1181123": "why you think so? is there any evidence? \nin this competition it's \"just\" images and their accuracy; so no additional features to evaluate and no special metric like \"forced vital capacity\""
  },
  "source": "meta"
}