{
  "id": 20914,
  "title": "Number of predictions required for each row_id?",
  "url": "/competitions/facebook-v-predicting-check-ins/discussion/20914",
  "author_name": "Albert Lee",
  "post_date": "2016-05-12T20:07:32.227000",
  "votes": 0,
  "comment_count": 5,
  "views": 945,
  "content": "<p>I see that the sample submission looks like following:</p>\n\n<pre><code>row_id,place_id\n0,3073560757 9004412889 5652080691\n1,1652178628 4379515211 6612350960\n2,4894407065 3920195083 7608574746\n3,7272466660 2004687925 1455486822\n4,4720452725 4967325204 4782917866\n..\n</code></pre>\n\n<p>That is, each row has three place_id(s)</p>\n\n<p>Questions:</p>\n\n<p>1) Do we have to provide three predictions for each row_id? or can it have more?</p>\n\n<p>2) Does the order of place_ids matter?</p>",
  "messages": [
    {
      "id": 119847,
      "postDate": "2016-05-13T04:02:35.203Z",
      "content": "<p>@Jared Turkewitz: every row_id in the test set corresponds to exactly one place_id in the train set</p>",
      "rawMarkdown": "@Jared Turkewitz: every row_id in the test set corresponds to exactly one place_id in the train set\r\n",
      "votes": 3
    },
    {
      "id": 119798,
      "postDate": "2016-05-12T20:23:44.240Z",
      "content": "<p>From: <a href=\"https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation\">metric</a> you can get the answers to your question. In short there is never any reason to not just submit exactly 3 different predictions, and you should order them by descending confidence in your prediction (most probable place_id should be 1st).</p>\n\n<p>I have a question about the test set - do all row_ids in test set correspond to a place_id in the train set? In other words if we made perfect predictions would we get a score of 1? Also is it true that each row_id in test corresponds to exactly one place_id (this seems to be the case for train)? </p>",
      "rawMarkdown": "From: [metric](https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation) you can get the answers to your question. In short there is never any reason to not just submit exactly 3 different predictions, and you should order them by descending confidence in your prediction (most probable place_id should be 1st).\r\n\r\nI have a question about the test set - do all row_ids in test set correspond to a place_id in the train set? In other words if we made perfect predictions would we get a score of 1? Also is it true that each row_id in test corresponds to exactly one place_id (this seems to be the case for train)? \r\n",
      "votes": 3
    },
    {
      "id": 119799,
      "postDate": "2016-05-12T20:23:59.117Z",
      "content": "<p>Evaluation page says:\nYou may submit <strong>up to 3</strong> predictions for each check in. (<a href=\"https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation\">https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation</a>)</p>\n\n<p>Looks like it's an answer on first question.</p>",
      "rawMarkdown": "Evaluation page says:\r\nYou may submit **up to 3** predictions for each check in. (https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation)\r\n\r\nLooks like it's an answer on first question.\r\n",
      "votes": 1
    },
    {
      "id": 121255,
      "postDate": "2016-05-25T07:09:43.077Z",
      "content": "<p>I am not sure, which math model predicts more than one recommendation!!! How do we generate 3 priority outputs then ? </p>",
      "rawMarkdown": "I am not sure, which math model predicts more than one recommendation!!! How do we generate 3 priority outputs then ? ",
      "votes": -2
    },
    {
      "id": 119793,
      "postDate": "2016-05-12T20:07:32.227Z",
      "content": "<p>I see that the sample submission looks like following:</p>\n\n<pre><code>row_id,place_id\n0,3073560757 9004412889 5652080691\n1,1652178628 4379515211 6612350960\n2,4894407065 3920195083 7608574746\n3,7272466660 2004687925 1455486822\n4,4720452725 4967325204 4782917866\n..\n</code></pre>\n\n<p>That is, each row has three place_id(s)</p>\n\n<p>Questions:</p>\n\n<p>1) Do we have to provide three predictions for each row_id? or can it have more?</p>\n\n<p>2) Does the order of place_ids matter?</p>",
      "rawMarkdown": "I see that the sample submission looks like following:\r\n\r\n    row_id,place_id\r\n    0,3073560757 9004412889 5652080691\r\n    1,1652178628 4379515211 6612350960\r\n    2,4894407065 3920195083 7608574746\r\n    3,7272466660 2004687925 1455486822\r\n    4,4720452725 4967325204 4782917866\r\n    ..\r\n\r\nThat is, each row has three place_id(s)\r\n\r\nQuestions:\r\n\r\n1) Do we have to provide three predictions for each row_id? or can it have more?\r\n\r\n2) Does the order of place_ids matter?"
    },
    {
      "id": 119817,
      "postDate": "2016-05-12T21:20:35.927Z",
      "rawMarkdown": "",
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 119847,
      "author_name": "Anaconda",
      "author_url": "",
      "post_date": "2016-05-13T04:02:35.203000",
      "content": "<p>@Jared Turkewitz: every row_id in the test set corresponds to exactly one place_id in the train set</p>",
      "votes": 3,
      "replies": []
    },
    {
      "id": 119798,
      "author_name": "Jared Turkewitz",
      "author_url": "",
      "post_date": "2016-05-12T20:23:44.240000",
      "content": "<p>From: <a href=\"https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation\">metric</a> you can get the answers to your question. In short there is never any reason to not just submit exactly 3 different predictions, and you should order them by descending confidence in your prediction (most probable place_id should be 1st).</p>\n\n<p>I have a question about the test set - do all row_ids in test set correspond to a place_id in the train set? In other words if we made perfect predictions would we get a score of 1? Also is it true that each row_id in test corresponds to exactly one place_id (this seems to be the case for train)? </p>",
      "votes": 3,
      "replies": []
    },
    {
      "id": 119799,
      "author_name": "Vasily Zverkov",
      "author_url": "",
      "post_date": "2016-05-12T20:23:59.117000",
      "content": "<p>Evaluation page says:\nYou may submit <strong>up to 3</strong> predictions for each check in. (<a href=\"https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation\">https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation</a>)</p>\n\n<p>Looks like it's an answer on first question.</p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 121255,
      "author_name": "SandeepKarmarkar",
      "author_url": "",
      "post_date": "2016-05-25T07:09:43.077000",
      "content": "<p>I am not sure, which math model predicts more than one recommendation!!! How do we generate 3 priority outputs then ? </p>",
      "votes": -2,
      "replies": []
    },
    {
      "id": 119817,
      "author_name": "",
      "author_url": "",
      "post_date": "2016-05-12T21:20:35.927000",
      "content": "",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "119847": "@Jared Turkewitz: every row_id in the test set corresponds to exactly one place_id in the train set\r\n",
    "119798": "From: [metric](https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation) you can get the answers to your question. In short there is never any reason to not just submit exactly 3 different predictions, and you should order them by descending confidence in your prediction (most probable place_id should be 1st).\r\n\r\nI have a question about the test set - do all row_ids in test set correspond to a place_id in the train set? In other words if we made perfect predictions would we get a score of 1? Also is it true that each row_id in test corresponds to exactly one place_id (this seems to be the case for train)? \r\n",
    "119799": "Evaluation page says:\r\nYou may submit **up to 3** predictions for each check in. (https://www.kaggle.com/c/facebook-v-predicting-check-ins/details/evaluation)\r\n\r\nLooks like it's an answer on first question.\r\n",
    "121255": "I am not sure, which math model predicts more than one recommendation!!! How do we generate 3 priority outputs then ? ",
    "119793": "I see that the sample submission looks like following:\r\n\r\n    row_id,place_id\r\n    0,3073560757 9004412889 5652080691\r\n    1,1652178628 4379515211 6612350960\r\n    2,4894407065 3920195083 7608574746\r\n    3,7272466660 2004687925 1455486822\r\n    4,4720452725 4967325204 4782917866\r\n    ..\r\n\r\nThat is, each row has three place_id(s)\r\n\r\nQuestions:\r\n\r\n1) Do we have to provide three predictions for each row_id? or can it have more?\r\n\r\n2) Does the order of place_ids matter?",
    "119817": ""
  }
}