{
  "id": 77856,
  "title": "Please recommend some feature selection strategies used for ELO",
  "url": "/competitions/elo-merchant-category-recommendation/discussion/77856",
  "author_name": "Ashish Gupta",
  "post_date": "2019-01-17T06:00:19.727000",
  "votes": 4,
  "comment_count": 4,
  "views": 0,
  "content": "<p>Hi,</p>\n\n<p>I am getting stuck with the CV and LB Score for ELO Merchants. I have browsed through the discussion and got the information about FFM not working for many of the experts. </p>\n\n<p>Can you guide on more effective feature selection techniques to boost the CV/LB scores?</p>",
  "messages": [
    {
      "id": 457235,
      "postDate": "2019-01-17T06:00:19.727Z",
      "content": "<p>Hi,</p>\n\n<p>I am getting stuck with the CV and LB Score for ELO Merchants. I have browsed through the discussion and got the information about FFM not working for many of the experts. </p>\n\n<p>Can you guide on more effective feature selection techniques to boost the CV/LB scores?</p>",
      "rawMarkdown": "Hi,\n\nI am getting stuck with the CV and LB Score for ELO Merchants. I have browsed through the discussion and got the information about FFM not working for many of the experts. \n\nCan you guide on more effective feature selection techniques to boost the CV/LB scores?",
      "votes": 3
    },
    {
      "id": 461323,
      "postDate": "2019-01-25T18:50:20.840Z",
      "content": "<p>Here is a sample of recursive feature selection.\n<a href=\"https://www.kaggle.com/roydatascience/recursive-feature-selection-using-sklearn-on-elo?scriptVersionId=9917777\">https://www.kaggle.com/roydatascience/recursive-feature-selection-using-sklearn-on-elo?scriptVersionId=9917777</a></p>",
      "rawMarkdown": "Here is a sample of recursive feature selection.\nhttps://www.kaggle.com/roydatascience/recursive-feature-selection-using-sklearn-on-elo?scriptVersionId=9917777",
      "votes": 1
    },
    {
      "id": 457277,
      "postDate": "2019-01-17T07:20:00.657Z",
      "content": "<p><a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/73937\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/73937</a></p>",
      "rawMarkdown": "https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/73937"
    },
    {
      "id": 463164,
      "postDate": "2019-01-29T14:55:20.123Z",
      "content": "<p>I tried to convert co-ocurrance matrix through FFM, but it did not help a lot.</p>\n\n<p><a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/78600\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/78600</a></p>\n\n<p>May be I was not using it proper way.</p>",
      "rawMarkdown": "I tried to convert co-ocurrance matrix through FFM, but it did not help a lot.\n\nhttps://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/78600\n\nMay be I was not using it proper way."
    },
    {
      "id": 462750,
      "postDate": "2019-01-28T20:43:33.227Z",
      "rawMarkdown": "",
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 461323,
      "author_name": "Ashish Gupta",
      "author_url": "",
      "post_date": "2019-01-25T18:50:20.840000",
      "content": "<p>Here is a sample of recursive feature selection.\n<a href=\"https://www.kaggle.com/roydatascience/recursive-feature-selection-using-sklearn-on-elo?scriptVersionId=9917777\">https://www.kaggle.com/roydatascience/recursive-feature-selection-using-sklearn-on-elo?scriptVersionId=9917777</a></p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 457277,
      "author_name": "silverstone",
      "author_url": "",
      "post_date": "2019-01-17T07:20:00.657000",
      "content": "<p><a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/73937\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/73937</a></p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 463164,
      "author_name": "Costa.Medvedev",
      "author_url": "",
      "post_date": "2019-01-29T14:55:20.123000",
      "content": "<p>I tried to convert co-ocurrance matrix through FFM, but it did not help a lot.</p>\n\n<p><a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/78600\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/78600</a></p>\n\n<p>May be I was not using it proper way.</p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 462750,
      "author_name": "",
      "author_url": "",
      "post_date": "2019-01-28T20:43:33.227000",
      "content": "",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "457235": "Hi,\n\nI am getting stuck with the CV and LB Score for ELO Merchants. I have browsed through the discussion and got the information about FFM not working for many of the experts. \n\nCan you guide on more effective feature selection techniques to boost the CV/LB scores?",
    "461323": "Here is a sample of recursive feature selection.\nhttps://www.kaggle.com/roydatascience/recursive-feature-selection-using-sklearn-on-elo?scriptVersionId=9917777",
    "457277": "https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/73937",
    "463164": "I tried to convert co-ocurrance matrix through FFM, but it did not help a lot.\n\nhttps://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/78600\n\nMay be I was not using it proper way.",
    "462750": ""
  }
}