{
  "id": 48901,
  "title": "ensemble?",
  "url": "/competitions/sp-society-camera-model-identification/discussion/48901",
  "author_name": "",
  "post_date": "2018-02-04T04:47:24.540002500Z",
  "votes": 5,
  "comment_count": 8,
  "views": 0,
  "content": "<p>Any suggestion about how to ensemble in this competition? I try to average my probability file but it seems not work well. </p>",
  "messages": [
    {
      "id": "277752",
      "postDate": "02/04/2018 04:47:24",
      "content": "<p>Any suggestion about how to ensemble in this competition? I try to average my probability file but it seems not work well. </p>",
      "rawMarkdown": "Any suggestion about how to ensemble in this competition? I try to average my probability file but it seems not work well.",
      "votes": null
    },
    {
      "id": "277821",
      "postDate": "02/04/2018 12:51:32",
      "content": "<p>Maybe you can try sum(preds**0.5).</p>",
      "rawMarkdown": "Maybe you can try sum(preds**0.5).",
      "votes": null
    },
    {
      "id": "278020",
      "postDate": "02/05/2018 06:19:02",
      "content": "<p>averaging doesn't really help in fact</p>",
      "rawMarkdown": "averaging doesn't really help in fact",
      "votes": null
    },
    {
      "id": "278133",
      "postDate": "02/05/2018 12:46:46",
      "content": "<p>Can you name a few which are relevant for this problem?</p>",
      "rawMarkdown": "Can you name a few which are relevant for this problem?",
      "votes": null
    },
    {
      "id": "278377",
      "postDate": "02/06/2018 02:52:27",
      "content": "<p>Can you name a few which are relevant for this problem?</p>",
      "rawMarkdown": "Can you name a few which are relevant for this problem?",
      "votes": null
    },
    {
      "id": "278432",
      "postDate": "02/06/2018 06:30:57",
      "content": "<p>feel frustrated cuz my 3 models' voting result performed worse than my best single model...</p>",
      "rawMarkdown": "feel frustrated cuz my 3 models' voting result performed worse than my best single model...",
      "votes": null
    },
    {
      "id": "278482",
      "postDate": "02/06/2018 09:42:30",
      "content": "<p>How different are your 3 models that you choose for majority voting ?</p>",
      "rawMarkdown": "How different are your 3 models that you choose for majority voting ?",
      "votes": null
    },
    {
      "id": "278544",
      "postDate": "02/06/2018 12:49:17",
      "content": "<p>Did you check out the confusion matrices between the models?</p>",
      "rawMarkdown": "Did you check out the confusion matrices between the models?",
      "votes": null
    },
    {
      "id": "279939",
      "postDate": "02/09/2018 01:17:29",
      "content": "<p>average of my three model's probability works better my best single.</p>",
      "rawMarkdown": "average of my three model's probability works better my best single.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 277821,
      "author_name": "neongen",
      "author_url": "",
      "post_date": "02/04/2018 12:51:32",
      "content": "<p>Maybe you can try sum(preds**0.5).</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 278020,
      "author_name": "vladimirgroza",
      "author_url": "",
      "post_date": "02/05/2018 06:19:02",
      "content": "<p>averaging doesn't really help in fact</p>",
      "votes": null,
      "replies": [
        {
          "id": 278133,
          "author_name": "janardhanadapa",
          "author_url": "",
          "post_date": "02/05/2018 12:46:46",
          "content": "<p>Can you name a few which are relevant for this problem?</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 278377,
          "author_name": "baomengjiao",
          "author_url": "",
          "post_date": "02/06/2018 02:52:27",
          "content": "<p>Can you name a few which are relevant for this problem?</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 278432,
      "author_name": "yiheng",
      "author_url": "",
      "post_date": "02/06/2018 06:30:57",
      "content": "<p>feel frustrated cuz my 3 models' voting result performed worse than my best single model...</p>",
      "votes": null,
      "replies": [
        {
          "id": 278482,
          "author_name": "shivrajp",
          "author_url": "",
          "post_date": "02/06/2018 09:42:30",
          "content": "<p>How different are your 3 models that you choose for majority voting ?</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 278544,
      "author_name": "gaborvecsei",
      "author_url": "",
      "post_date": "02/06/2018 12:49:17",
      "content": "<p>Did you check out the confusion matrices between the models?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 279939,
      "author_name": "yyqing",
      "author_url": "",
      "post_date": "02/09/2018 01:17:29",
      "content": "<p>average of my three model's probability works better my best single.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "277752": "Any suggestion about how to ensemble in this competition? I try to average my probability file but it seems not work well.",
    "277821": "Maybe you can try sum(preds**0.5).",
    "278020": "averaging doesn't really help in fact",
    "278133": "Can you name a few which are relevant for this problem?",
    "278377": "Can you name a few which are relevant for this problem?",
    "278432": "feel frustrated cuz my 3 models' voting result performed worse than my best single model...",
    "278482": "How different are your 3 models that you choose for majority voting ?",
    "278544": "Did you check out the confusion matrices between the models?",
    "279939": "average of my three model's probability works better my best single."
  },
  "source": "meta"
}