{
  "id": 199579,
  "title": "Is it worth trying to use the previous competition data as external data?",
  "url": "/competitions/cassava-leaf-disease-classification/discussion/199579",
  "author_name": "",
  "post_date": "2020-11-26T09:37:51.251710Z",
  "votes": 3,
  "comment_count": 1,
  "views": 0,
  "content": "<p>As discussed in some topics (<a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131\" target=\"_blank\">here</a> or <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131\" target=\"_blank\">here</a>), similar competition was hosted before and you can use the competetion data as external data for this competition. Did you try already and it works well?<br>\nI tried, but didn't work. <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131#1087667\" target=\"_blank\">Someone also said</a> that it didn't improve CV. On the other hand, <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131#1091442\" target=\"_blank\">someone reported</a> that local CV improved.</p>",
  "messages": [
    {
      "id": "1091793",
      "postDate": "11/26/2020 09:37:51",
      "content": "<p>As discussed in some topics (<a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131\" target=\"_blank\">here</a> or <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131\" target=\"_blank\">here</a>), similar competition was hosted before and you can use the competetion data as external data for this competition. Did you try already and it works well?<br>\nI tried, but didn't work. <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131#1087667\" target=\"_blank\">Someone also said</a> that it didn't improve CV. On the other hand, <a href=\"https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131#1091442\" target=\"_blank\">someone reported</a> that local CV improved.</p>",
      "rawMarkdown": "As discussed in some topics ([here](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131) or [here](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131)), similar competition was hosted before and you can use the competetion data as external data for this competition. Did you try already and it works well?\nI tried, but didn't work. [Someone also said](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131#1087667) that it didn't improve CV. On the other hand, [someone reported](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131#1091442) that local CV improved.",
      "votes": null
    },
    {
      "id": "1093220",
      "postDate": "11/27/2020 14:47:51",
      "content": "<p>I think more data always helps. Although it's been really hard to get past 0.89-90 with single model in this competition so far but we don't know whether it will be the same for private LB too. Trust your CV. If your CV improves with old data, then maybe you can trust it.</p>",
      "rawMarkdown": "I think more data always helps. Although it's been really hard to get past 0.89-90 with single model in this competition so far but we don't know whether it will be the same for private LB too. Trust your CV. If your CV improves with old data, then maybe you can trust it.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1093220,
      "author_name": "tahsin",
      "author_url": "",
      "post_date": "11/27/2020 14:47:51",
      "content": "<p>I think more data always helps. Although it's been really hard to get past 0.89-90 with single model in this competition so far but we don't know whether it will be the same for private LB too. Trust your CV. If your CV improves with old data, then maybe you can trust it.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1091793": "As discussed in some topics ([here](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131) or [here](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131)), similar competition was hosted before and you can use the competetion data as external data for this competition. Did you try already and it works well?\nI tried, but didn't work. [Someone also said](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/198131#1087667) that it didn't improve CV. On the other hand, [someone reported](https://www.kaggle.com/c/cassava-leaf-disease-classification/discussion/199131#1091442) that local CV improved.",
    "1093220": "I think more data always helps. Although it's been really hard to get past 0.89-90 with single model in this competition so far but we don't know whether it will be the same for private LB too. Trust your CV. If your CV improves with old data, then maybe you can trust it."
  },
  "source": "meta"
}