{
  "id": 66739,
  "title": "So where does the discrepancy between local scores and corrected LB come from?",
  "url": "/competitions/ga-customer-revenue-prediction/discussion/66739",
  "author_name": "",
  "post_date": "2018-09-24T22:41:01.289826200Z",
  "votes": 6,
  "comment_count": 3,
  "views": 0,
  "content": "<p>I has been stated that there was an error in calculations of our leaderboard scores. However, we have all been calculating the local scores according to the metric specified in the docs (the correct one). So how can the difference between our local scores and the new LB scores be explained? Anyone?</p>",
  "messages": [
    {
      "id": "393160",
      "postDate": "09/24/2018 22:41:01",
      "content": "<p>I has been stated that there was an error in calculations of our leaderboard scores. However, we have all been calculating the local scores according to the metric specified in the docs (the correct one). So how can the difference between our local scores and the new LB scores be explained? Anyone?</p>",
      "rawMarkdown": "I has been stated that there was an error in calculations of our leaderboard scores. However, we have all been calculating the local scores according to the metric specified in the docs (the correct one). So how can the difference between our local scores and the new LB scores be explained? Anyone?",
      "votes": null
    },
    {
      "id": "393165",
      "postDate": "09/24/2018 23:00:21",
      "content": "<p>My new LB score is significantly <em>better</em> than my CV score. That's a head-scratcher.</p>",
      "rawMarkdown": "My new LB score is significantly *better* than my CV score. That's a head-scratcher.",
      "votes": null
    },
    {
      "id": "393328",
      "postDate": "09/25/2018 07:24:30",
      "content": "<p>Maybe, based on <a href=\"https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66697\">this</a> post, some outliers have been removed? </p>",
      "rawMarkdown": "Maybe, based on [this][1] post, some outliers have been removed? \n\n\n  [1]: https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66697",
      "votes": null
    },
    {
      "id": "393679",
      "postDate": "09/25/2018 18:40:08",
      "content": "<p>You might be interested in this as a possible/tentative explanation: <a href=\"https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66811\">https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66811</a></p>",
      "rawMarkdown": "You might be interested in this as a possible/tentative explanation: https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66811",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 393165,
      "author_name": "nnnnick",
      "author_url": "",
      "post_date": "09/24/2018 23:00:21",
      "content": "<p>My new LB score is significantly <em>better</em> than my CV score. That's a head-scratcher.</p>",
      "votes": null,
      "replies": [
        {
          "id": 393328,
          "author_name": "adamsfei",
          "author_url": "",
          "post_date": "09/25/2018 07:24:30",
          "content": "<p>Maybe, based on <a href=\"https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66697\">this</a> post, some outliers have been removed? </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 393679,
      "author_name": "ca3295",
      "author_url": "",
      "post_date": "09/25/2018 18:40:08",
      "content": "<p>You might be interested in this as a possible/tentative explanation: <a href=\"https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66811\">https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66811</a></p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "393160": "I has been stated that there was an error in calculations of our leaderboard scores. However, we have all been calculating the local scores according to the metric specified in the docs (the correct one). So how can the difference between our local scores and the new LB scores be explained? Anyone?",
    "393165": "My new LB score is significantly *better* than my CV score. That's a head-scratcher.",
    "393328": "Maybe, based on [this][1] post, some outliers have been removed? \n\n\n  [1]: https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66697",
    "393679": "You might be interested in this as a possible/tentative explanation: https://www.kaggle.com/c/ga-customer-revenue-prediction/discussion/66811"
  },
  "source": "meta"
}