{
  "id": 82797,
  "title": "Why is xentropy more better than rmse?",
  "url": "/competitions/elo-merchant-category-recommendation/discussion/82797",
  "author_name": "hatunina",
  "post_date": "2019-03-04T11:47:23.088000",
  "votes": 1,
  "comment_count": 0,
  "views": 0,
  "content": "<p>It seems that they used xentropy instead of rmse. Although it seems that there was not good this time, the same solution was also seen in Avito. I tried using MinMaxScalor and xentropy. Only private improved 0.001, but cv and public did not get better.\nIs this an outlier effect?\nI would like to know why xentropy works better than rmse for the next competition.</p>\n\n<p>1st Place Solution\n<a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82036\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82036</a>\n7th Place Solution\n<a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82055\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82055</a></p>",
  "messages": [
    {
      "id": 483267,
      "postDate": "2019-03-04T11:47:23.087Z",
      "content": "<p>It seems that they used xentropy instead of rmse. Although it seems that there was not good this time, the same solution was also seen in Avito. I tried using MinMaxScalor and xentropy. Only private improved 0.001, but cv and public did not get better.\nIs this an outlier effect?\nI would like to know why xentropy works better than rmse for the next competition.</p>\n\n<p>1st Place Solution\n<a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82036\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82036</a>\n7th Place Solution\n<a href=\"https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82055\">https://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82055</a></p>",
      "rawMarkdown": "It seems that they used xentropy instead of rmse. Although it seems that there was not good this time, the same solution was also seen in Avito. I tried using MinMaxScalor and xentropy. Only private improved 0.001, but cv and public did not get better.\nIs this an outlier effect?\nI would like to know why xentropy works better than rmse for the next competition.\n\n1st Place Solution\nhttps://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82036\n7th Place Solution\nhttps://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82055",
      "votes": 1
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "483267": "It seems that they used xentropy instead of rmse. Although it seems that there was not good this time, the same solution was also seen in Avito. I tried using MinMaxScalor and xentropy. Only private improved 0.001, but cv and public did not get better.\nIs this an outlier effect?\nI would like to know why xentropy works better than rmse for the next competition.\n\n1st Place Solution\nhttps://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82036\n7th Place Solution\nhttps://www.kaggle.com/c/elo-merchant-category-recommendation/discussion/82055"
  }
}