{
  "id": 79109,
  "title": "stacking/tuning",
  "url": "/competitions/elo-merchant-category-recommendation/discussion/79109",
  "author_name": "",
  "post_date": "2019-01-31T02:20:21.330928700Z",
  "votes": 1,
  "comment_count": 1,
  "views": 0,
  "content": "<p>I have not tried stacking or extensive tuning of hyperparameters yet.  For those that did do this, can you share how much it helped your RMSE score or other things that you did to better your score.  </p>",
  "messages": [
    {
      "id": "463984",
      "postDate": "01/31/2019 02:20:21",
      "content": "<p>I have not tried stacking or extensive tuning of hyperparameters yet.  For those that did do this, can you share how much it helped your RMSE score or other things that you did to better your score.  </p>",
      "rawMarkdown": "I have not tried stacking or extensive tuning of hyperparameters yet.  For those that did do this, can you share how much it helped your RMSE score or other things that you did to better your score.",
      "votes": null
    },
    {
      "id": "465345",
      "postDate": "02/02/2019 21:58:48",
      "content": "<p>Stacking and hyperparameters tuning definetely helped me improve my CV scores and LB ones. That being said, the biggest improvement came from features engineering (thanks to a lot of good work from the community). I plan to write a blog post about the lessons I have learned from this competiton, so stay tuned. 😉 \nFinally, notice that you can find my code to this competition on github (I push often whenever I have new ideas).</p>",
      "rawMarkdown": "Stacking and hyperparameters tuning definetely helped me improve my CV scores and LB ones. That being said, the biggest improvement came from features engineering (thanks to a lot of good work from the community). I plan to write a blog post about the lessons I have learned from this competiton, so stay tuned. 😉 \nFinally, notice that you can find my code to this competition on github (I push often whenever I have new ideas).",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 465345,
      "author_name": "yassinealouini",
      "author_url": "",
      "post_date": "02/02/2019 21:58:48",
      "content": "<p>Stacking and hyperparameters tuning definetely helped me improve my CV scores and LB ones. That being said, the biggest improvement came from features engineering (thanks to a lot of good work from the community). I plan to write a blog post about the lessons I have learned from this competiton, so stay tuned. 😉 \nFinally, notice that you can find my code to this competition on github (I push often whenever I have new ideas).</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "463984": "I have not tried stacking or extensive tuning of hyperparameters yet.  For those that did do this, can you share how much it helped your RMSE score or other things that you did to better your score.",
    "465345": "Stacking and hyperparameters tuning definetely helped me improve my CV scores and LB ones. That being said, the biggest improvement came from features engineering (thanks to a lot of good work from the community). I plan to write a blog post about the lessons I have learned from this competiton, so stay tuned. 😉 \nFinally, notice that you can find my code to this competition on github (I push often whenever I have new ideas)."
  },
  "source": "meta"
}