{
  "id": 347709,
  "title": "My first solo silver",
  "url": "/competitions/amex-default-prediction/discussion/347709",
  "author_name": "Jackson You",
  "post_date": "2022-08-25T07:52:16.340000",
  "votes": 12,
  "comment_count": 3,
  "views": 0,
  "content": "<p>Congratulations to everyone! I think we have learnt a lot from this fun competition. Thank you Amex and Kaggle hosting such unforgettable game. And Thank you Kagglers for sharing many helpful discussions and notebooks. </p>\n<h2>Some reflections on the NN-FE</h2>\n<p>Really thanks Ivan Kireev <a href=\"https://www.kaggle.com/ivkireev\" target=\"_blank\">@ivkireev</a> who provides me a self-supervised library to FE and Med Ali Bouchhioua <a href=\"https://www.kaggle.com/medali1992\" target=\"_blank\">@medali1992</a> who shares the basic tabnet model. Both of them were key to get medel.</p>\n<p>When I paid attention to feature engineering late in the competition, I was faced with the problems of no boosting and hardware. So I started to experiment with pretrain features of tabnet and the ptls library which provides self-supervision. The result is that boosting in CV and public LB.</p>\n<p>It's a little pity that in the end I did not get a feature that satisfied me, but I'will keep exploring these tow things in tabular world.</p>",
  "messages": [
    {
      "id": 1913183,
      "postDate": "2022-08-25T07:52:16.340Z",
      "content": "<p>Congratulations to everyone! I think we have learnt a lot from this fun competition. Thank you Amex and Kaggle hosting such unforgettable game. And Thank you Kagglers for sharing many helpful discussions and notebooks. </p>\n<h2>Some reflections on the NN-FE</h2>\n<p>Really thanks Ivan Kireev <a href=\"https://www.kaggle.com/ivkireev\" target=\"_blank\">@ivkireev</a> who provides me a self-supervised library to FE and Med Ali Bouchhioua <a href=\"https://www.kaggle.com/medali1992\" target=\"_blank\">@medali1992</a> who shares the basic tabnet model. Both of them were key to get medel.</p>\n<p>When I paid attention to feature engineering late in the competition, I was faced with the problems of no boosting and hardware. So I started to experiment with pretrain features of tabnet and the ptls library which provides self-supervision. The result is that boosting in CV and public LB.</p>\n<p>It's a little pity that in the end I did not get a feature that satisfied me, but I'will keep exploring these tow things in tabular world.</p>",
      "rawMarkdown": "Congratulations to everyone! I think we have learnt a lot from this fun competition. Thank you Amex and Kaggle hosting such unforgettable game. And Thank you Kagglers for sharing many helpful discussions and notebooks. \n\n## Some reflections on the NN-FE\nReally thanks Ivan Kireev @ivkireev who provides me a self-supervised library to FE and Med Ali Bouchhioua @medali1992 who shares the basic tabnet model. Both of them were key to get medel.\n\nWhen I paid attention to feature engineering late in the competition, I was faced with the problems of no boosting and hardware. So I started to experiment with pretrain features of tabnet and the ptls library which provides self-supervision. The result is that boosting in CV and public LB.\n\nIt's a little pity that in the end I did not get a feature that satisfied me, but I'will keep exploring these tow things in tabular world.",
      "votes": 12
    },
    {
      "id": 1913823,
      "postDate": "2022-08-25T14:25:19.317Z",
      "content": "<p>Wishing you hearty congratulations for the success! Great result!! </p>",
      "rawMarkdown": "Wishing you hearty congratulations for the success! Great result!! ",
      "votes": 1
    },
    {
      "id": 1922191,
      "postDate": "2022-09-01T10:31:52.793Z",
      "content": "<p>Congratulations <a href=\"https://www.kaggle.com/jacksonyou\" target=\"_blank\">@jacksonyou</a>. May I invite you to participate in this survey regarding your experience on Kaggle (10 min)? This is not a scam. We are a group of researchers at the City University of Hong Kong. The survey link is: <a href=\"https://cityuhk.questionpro.com/survey-of-kaggle-contestants\" target=\"_blank\">https://cityuhk.questionpro.com/survey-of-kaggle-contestants</a></p>",
      "rawMarkdown": "Congratulations @jacksonyou. May I invite you to participate in this survey regarding your experience on Kaggle (10 min)? This is not a scam. We are a group of researchers at the City University of Hong Kong. The survey link is: https://cityuhk.questionpro.com/survey-of-kaggle-contestants",
      "replies": [
        {
          "id": 1922223,
          "postDate": "2022-09-01T11:02:01.050Z",
          "rawMarkdown": "",
          "isDeleted": true
        }
      ]
    }
  ],
  "comments": [
    {
      "id": 1913823,
      "author_name": "Ravi Ramakrishnan",
      "author_url": "",
      "post_date": "2022-08-25T14:25:19.317000",
      "content": "<p>Wishing you hearty congratulations for the success! Great result!! </p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 1922191,
      "author_name": "Yang Liu",
      "author_url": "",
      "post_date": "2022-09-01T10:31:52.793000",
      "content": "<p>Congratulations <a href=\"https://www.kaggle.com/jacksonyou\" target=\"_blank\">@jacksonyou</a>. May I invite you to participate in this survey regarding your experience on Kaggle (10 min)? This is not a scam. We are a group of researchers at the City University of Hong Kong. The survey link is: <a href=\"https://cityuhk.questionpro.com/survey-of-kaggle-contestants\" target=\"_blank\">https://cityuhk.questionpro.com/survey-of-kaggle-contestants</a></p>",
      "votes": 0,
      "replies": [
        {
          "id": 1922223,
          "author_name": "",
          "author_url": "",
          "post_date": "2022-09-01T11:02:01.050000",
          "content": "",
          "votes": 0,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "1913183": "Congratulations to everyone! I think we have learnt a lot from this fun competition. Thank you Amex and Kaggle hosting such unforgettable game. And Thank you Kagglers for sharing many helpful discussions and notebooks. \n\n## Some reflections on the NN-FE\nReally thanks Ivan Kireev @ivkireev who provides me a self-supervised library to FE and Med Ali Bouchhioua @medali1992 who shares the basic tabnet model. Both of them were key to get medel.\n\nWhen I paid attention to feature engineering late in the competition, I was faced with the problems of no boosting and hardware. So I started to experiment with pretrain features of tabnet and the ptls library which provides self-supervision. The result is that boosting in CV and public LB.\n\nIt's a little pity that in the end I did not get a feature that satisfied me, but I'will keep exploring these tow things in tabular world.",
    "1913823": "Wishing you hearty congratulations for the success! Great result!! ",
    "1922191": "Congratulations @jacksonyou. May I invite you to participate in this survey regarding your experience on Kaggle (10 min)? This is not a scam. We are a group of researchers at the City University of Hong Kong. The survey link is: https://cityuhk.questionpro.com/survey-of-kaggle-contestants"
  }
}