{
  "id": 374902,
  "title": "Reduce Otto Training Set",
  "url": "/competitions/otto-recommender-system/discussion/374902",
  "author_name": "",
  "post_date": "2022-12-29T10:51:27.516241200Z",
  "votes": 2,
  "comment_count": 2,
  "views": 0,
  "content": "<p>Here are all sessions of Otto training set which aids only belong to the testing aid.<br>\nSome aids on test do not appear on train, we can consider them as the cold-start problem.<br>\nFrom ~190M sessions to ~45M sessions.<br>\n<a href=\"url\" target=\"_blank\">https://www.kaggle.com/datasets/bibanh/ottotrainaidbelong2test</a></p>",
  "messages": [
    {
      "id": "2079479",
      "postDate": "12/29/2022 10:51:27",
      "content": "<p>Here are all sessions of Otto training set which aids only belong to the testing aid.<br>\nSome aids on test do not appear on train, we can consider them as the cold-start problem.<br>\nFrom ~190M sessions to ~45M sessions.<br>\n<a href=\"url\" target=\"_blank\">https://www.kaggle.com/datasets/bibanh/ottotrainaidbelong2test</a></p>",
      "rawMarkdown": "Here are all sessions of Otto training set which aids only belong to the testing aid.\nSome aids on test do not appear on train, we can consider them as the cold-start problem.\nFrom ~190M sessions to ~45M sessions.\n[https://www.kaggle.com/datasets/bibanh/ottotrainaidbelong2test](url)",
      "votes": null
    },
    {
      "id": "2079646",
      "postDate": "12/29/2022 14:11:24",
      "content": "<blockquote>\n  <p>Some aids on test do not appear on train, we can consider them as the cold-start problem.</p>\n</blockquote>\n<p>It is my understanding that every <code>aid</code> in test appears in train. If an aid in test did not appear in train, then Otto removed that row from the test dataset.</p>",
      "rawMarkdown": ">Some aids on test do not appear on train, we can consider them as the cold-start problem.\n\nIt is my understanding that every `aid` in test appears in train. If an aid in test did not appear in train, then Otto removed that row from the test dataset.",
      "votes": null
    },
    {
      "id": "2079660",
      "postDate": "12/29/2022 14:18:28",
      "content": "<p>Yes, we had confirmation here <a href=\"https://www.kaggle.com/competitions/otto-recommender-system/discussion/364991#2032183\" target=\"_blank\">https://www.kaggle.com/competitions/otto-recommender-system/discussion/364991#2032183</a></p>",
      "rawMarkdown": "Yes, we had confirmation here https://www.kaggle.com/competitions/otto-recommender-system/discussion/364991#2032183",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2079646,
      "author_name": "cdeotte",
      "author_url": "",
      "post_date": "12/29/2022 14:11:24",
      "content": "<blockquote>\n  <p>Some aids on test do not appear on train, we can consider them as the cold-start problem.</p>\n</blockquote>\n<p>It is my understanding that every <code>aid</code> in test appears in train. If an aid in test did not appear in train, then Otto removed that row from the test dataset.</p>",
      "votes": null,
      "replies": [
        {
          "id": 2079660,
          "author_name": "piotrekga",
          "author_url": "",
          "post_date": "12/29/2022 14:18:28",
          "content": "<p>Yes, we had confirmation here <a href=\"https://www.kaggle.com/competitions/otto-recommender-system/discussion/364991#2032183\" target=\"_blank\">https://www.kaggle.com/competitions/otto-recommender-system/discussion/364991#2032183</a></p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "2079479": "Here are all sessions of Otto training set which aids only belong to the testing aid.\nSome aids on test do not appear on train, we can consider them as the cold-start problem.\nFrom ~190M sessions to ~45M sessions.\n[https://www.kaggle.com/datasets/bibanh/ottotrainaidbelong2test](url)",
    "2079646": ">Some aids on test do not appear on train, we can consider them as the cold-start problem.\n\nIt is my understanding that every `aid` in test appears in train. If an aid in test did not appear in train, then Otto removed that row from the test dataset.",
    "2079660": "Yes, we had confirmation here https://www.kaggle.com/competitions/otto-recommender-system/discussion/364991#2032183"
  },
  "source": "meta"
}