{
  "id": 77651,
  "title": "Historical and Evaluation period",
  "url": "/competitions/elo-merchant-category-recommendation/discussion/77651",
  "author_name": "Dimosthenis Karaflos",
  "post_date": "2019-01-15T08:46:21.537000",
  "votes": 4,
  "comment_count": 0,
  "views": 0,
  "content": "<p>Hi all,\nthe more i work on this competition, the more i see that it is not clear what are we doing.\nThe host states that the target is calculated 2 months after historical and evaluation period. </p>\n\n<p>Has anyone understood what are the historical and evaluation periods? \nare they the same for train and test datasets?\nis the target calculated by a formula or by a model?\nwhat is the timeframe of loyalty? lifetime? n months?</p>\n\n<p>I think that it is not clear what are we doing and that is why we have very poor results (3.87 rmse all zeros submission, 3.637 best LB score).</p>",
  "messages": [
    {
      "id": 456155,
      "postDate": "2019-01-15T08:46:21.537Z",
      "content": "<p>Hi all,\nthe more i work on this competition, the more i see that it is not clear what are we doing.\nThe host states that the target is calculated 2 months after historical and evaluation period. </p>\n\n<p>Has anyone understood what are the historical and evaluation periods? \nare they the same for train and test datasets?\nis the target calculated by a formula or by a model?\nwhat is the timeframe of loyalty? lifetime? n months?</p>\n\n<p>I think that it is not clear what are we doing and that is why we have very poor results (3.87 rmse all zeros submission, 3.637 best LB score).</p>",
      "rawMarkdown": "Hi all,\nthe more i work on this competition, the more i see that it is not clear what are we doing.\nThe host states that the target is calculated 2 months after historical and evaluation period. \n\nHas anyone understood what are the historical and evaluation periods? \nare they the same for train and test datasets?\nis the target calculated by a formula or by a model?\nwhat is the timeframe of loyalty? lifetime? n months?\n\nI think that it is not clear what are we doing and that is why we have very poor results (3.87 rmse all zeros submission, 3.637 best LB score).\n\n\n",
      "votes": 4
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "456155": "Hi all,\nthe more i work on this competition, the more i see that it is not clear what are we doing.\nThe host states that the target is calculated 2 months after historical and evaluation period. \n\nHas anyone understood what are the historical and evaluation periods? \nare they the same for train and test datasets?\nis the target calculated by a formula or by a model?\nwhat is the timeframe of loyalty? lifetime? n months?\n\nI think that it is not clear what are we doing and that is why we have very poor results (3.87 rmse all zeros submission, 3.637 best LB score).\n\n\n"
  }
}