{
  "id": 447615,
  "title": "Where is the CV?",
  "url": "/competitions/child-mind-institute-detect-sleep-states/discussion/447615",
  "author_name": "Cody_Null",
  "post_date": "2023-10-16T14:51:41.021000",
  "votes": 6,
  "comment_count": 5,
  "views": 0,
  "content": "<p>Hi Kagglers, I was looking into joining this competition a little late and I noticed interestingly enough there are virtually 0 notebooks with cross validation? I have seen in discussion that competition organizers suggest the goal is not to do these predictions in real time. </p>\n<p><a href=\"https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/437534#2427761\" target=\"_blank\">https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/437534#2427761</a></p>\n<p>I would think to see more notebooks utilizing validation of some sort so I just was curious if I was missing something? </p>",
  "messages": [
    {
      "id": 2484533,
      "postDate": "2023-10-16T14:51:41.023Z",
      "content": "<p>Hi Kagglers, I was looking into joining this competition a little late and I noticed interestingly enough there are virtually 0 notebooks with cross validation? I have seen in discussion that competition organizers suggest the goal is not to do these predictions in real time. </p>\n<p><a href=\"https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/437534#2427761\" target=\"_blank\">https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/437534#2427761</a></p>\n<p>I would think to see more notebooks utilizing validation of some sort so I just was curious if I was missing something? </p>",
      "rawMarkdown": "Hi Kagglers, I was looking into joining this competition a little late and I noticed interestingly enough there are virtually 0 notebooks with cross validation? I have seen in discussion that competition organizers suggest the goal is not to do these predictions in real time. \n\nhttps://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/437534#2427761\n\nI would think to see more notebooks utilizing validation of some sort so I just was curious if I was missing something? ",
      "votes": 6
    },
    {
      "id": 2485103,
      "postDate": "2023-10-17T00:18:06.287Z",
      "content": "<p>A 5 fold CV, for example, can be expected to take up till 2-3 times the duration (if you’re using the lightweight dataset for CV) and 6 times (5 folds + 1 inference) if the entire train dataset is used. It would be too slow to run in 9 hours</p>",
      "rawMarkdown": "A 5 fold CV, for example, can be expected to take up till 2-3 times the duration (if you’re using the lightweight dataset for CV) and 6 times (5 folds + 1 inference) if the entire train dataset is used. It would be too slow to run in 9 hours",
      "votes": 4,
      "replies": [
        {
          "id": 2485121,
          "postDate": "2023-10-17T00:34:59.073Z",
          "content": "<p>Yep absolutely, I think if someone wanted to go this route they would need to figure out creative ways to train and they would definitely need to make separate train/inference notebooks. Could be helpful to move off Kaggle resources too depending on the strategy.</p>",
          "rawMarkdown": "Yep absolutely, I think if someone wanted to go this route they would need to figure out creative ways to train and they would definitely need to make separate train/inference notebooks. Could be helpful to move off Kaggle resources too depending on the strategy.",
          "votes": 1
        },
        {
          "id": 2486434,
          "postDate": "2023-10-17T23:08:45.573Z",
          "content": "<p>Agreed. The training set is already smoking my system, haha.</p>",
          "rawMarkdown": "Agreed. The training set is already smoking my system, haha."
        }
      ]
    },
    {
      "id": 2484539,
      "postDate": "2023-10-16T14:57:34.320Z",
      "content": "<p>I've previously asked a similar question, in this <a href=\"https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027\" target=\"_blank\">discussion</a>. <br>\nI think the answer is just that:</p>\n<ol>\n<li>Possibly the use of public notebook is only for MVP, i.e. the lowest hanging fruit that we can develop it further. <a href=\"https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027#2455024\" target=\"_blank\">quoted from</a></li>\n<li>For LGBM with lot of feature, the memory might explode and the time might exceed the limit</li>\n</ol>",
      "rawMarkdown": "I've previously asked a similar question, in this [discussion](https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027). \nI think the answer is just that:\n1.  Possibly the use of public notebook is only for MVP, i.e. the lowest hanging fruit that we can develop it further. [quoted from](https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027#2455024)\n2. For LGBM with lot of feature, the memory might explode and the time might exceed the limit",
      "votes": 2,
      "replies": [
        {
          "id": 2484548,
          "postDate": "2023-10-16T15:02:36.323Z",
          "rawMarkdown": "",
          "isDeleted": true
        }
      ]
    }
  ],
  "comments": [
    {
      "id": 2485103,
      "author_name": "Geremie Yeo",
      "author_url": "",
      "post_date": "2023-10-17T00:18:06.287000",
      "content": "<p>A 5 fold CV, for example, can be expected to take up till 2-3 times the duration (if you’re using the lightweight dataset for CV) and 6 times (5 folds + 1 inference) if the entire train dataset is used. It would be too slow to run in 9 hours</p>",
      "votes": 4,
      "replies": [
        {
          "id": 2485121,
          "author_name": "Cody_Null",
          "author_url": "",
          "post_date": "2023-10-17T00:34:59.073000",
          "content": "<p>Yep absolutely, I think if someone wanted to go this route they would need to figure out creative ways to train and they would definitely need to make separate train/inference notebooks. Could be helpful to move off Kaggle resources too depending on the strategy.</p>",
          "votes": 1,
          "replies": []
        },
        {
          "id": 2486434,
          "author_name": "ejwlk",
          "author_url": "",
          "post_date": "2023-10-17T23:08:45.573000",
          "content": "<p>Agreed. The training set is already smoking my system, haha.</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 2484539,
      "author_name": "Yuchen20",
      "author_url": "",
      "post_date": "2023-10-16T14:57:34.320000",
      "content": "<p>I've previously asked a similar question, in this <a href=\"https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027\" target=\"_blank\">discussion</a>. <br>\nI think the answer is just that:</p>\n<ol>\n<li>Possibly the use of public notebook is only for MVP, i.e. the lowest hanging fruit that we can develop it further. <a href=\"https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027#2455024\" target=\"_blank\">quoted from</a></li>\n<li>For LGBM with lot of feature, the memory might explode and the time might exceed the limit</li>\n</ol>",
      "votes": 2,
      "replies": [
        {
          "id": 2484548,
          "author_name": "",
          "author_url": "",
          "post_date": "2023-10-16T15:02:36.323000",
          "content": "",
          "votes": 0,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "2484533": "Hi Kagglers, I was looking into joining this competition a little late and I noticed interestingly enough there are virtually 0 notebooks with cross validation? I have seen in discussion that competition organizers suggest the goal is not to do these predictions in real time. \n\nhttps://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/437534#2427761\n\nI would think to see more notebooks utilizing validation of some sort so I just was curious if I was missing something? ",
    "2485103": "A 5 fold CV, for example, can be expected to take up till 2-3 times the duration (if you’re using the lightweight dataset for CV) and 6 times (5 folds + 1 inference) if the entire train dataset is used. It would be too slow to run in 9 hours",
    "2484539": "I've previously asked a similar question, in this [discussion](https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027). \nI think the answer is just that:\n1.  Possibly the use of public notebook is only for MVP, i.e. the lowest hanging fruit that we can develop it further. [quoted from](https://www.kaggle.com/competitions/child-mind-institute-detect-sleep-states/discussion/443027#2455024)\n2. For LGBM with lot of feature, the memory might explode and the time might exceed the limit"
  }
}