{
  "id": 47551,
  "title": "LB shakeup predictions!",
  "url": "/competitions/tensorflow-speech-recognition-challenge/discussion/47551",
  "author_name": "",
  "post_date": "2018-01-16T06:06:09.558119600Z",
  "votes": 2,
  "comment_count": 12,
  "views": 0,
  "content": "<p>Given the possibility of three-submissions It will be interesting to see the shakeup in this competition.\nWhat do you think?</p>",
  "messages": [
    {
      "id": "269067",
      "postDate": "01/16/2018 06:06:09",
      "content": "<p>Given the possibility of three-submissions It will be interesting to see the shakeup in this competition.\nWhat do you think?</p>",
      "rawMarkdown": "Given the possibility of three-submissions It will be interesting to see the shakeup in this competition.\nWhat do you think?",
      "votes": null
    },
    {
      "id": "269208",
      "postDate": "01/16/2018 13:08:28",
      "content": "<p>I think so too :-)</p>",
      "rawMarkdown": "I think so too :-)",
      "votes": null
    },
    {
      "id": "269334",
      "postDate": "01/16/2018 16:43:13",
      "content": "<p>Data are quite noisy and teams are very close to each other. Relatively moderate shakeup is expected to be.</p>",
      "rawMarkdown": "Data are quite noisy and teams are very close to each other. Relatively moderate shakeup is expected to be.",
      "votes": null
    },
    {
      "id": "269343",
      "postDate": "01/16/2018 16:47:06",
      "content": "<p>I'm actually counting on a shakeup. More like, I've staked a lot on a shakeup, which might seem like a stupid thing to do I admit, but it was just intuition. I might not have learned much from prev DL competitions, but I did learn one thing: the leaderboard can be a very good liar at times. A lot of it can be attributed to the fact that the private lb/public lb split is 70/30. But beyond that, it's the presence of \"unknowns\". That, combined with a 70% private lb can very well make this competition turn into something like one of those 2-stage competitions. Who knows what demons hide in there.</p>\n\n<p>But it's apparent that I am hit by the LB paranoia bug so either way, I think I'll end up learning much more than all the people who grab them silvers and golds :D :D.</p>",
      "rawMarkdown": "I'm actually counting on a shakeup. More like, I've staked a lot on a shakeup, which might seem like a stupid thing to do I admit, but it was just intuition. I might not have learned much from prev DL competitions, but I did learn one thing: the leaderboard can be a very good liar at times. A lot of it can be attributed to the fact that the private lb/public lb split is 70/30. But beyond that, it's the presence of \"unknowns\". That, combined with a 70% private lb can very well make this competition turn into something like one of those 2-stage competitions. Who knows what demons hide in there.\n\nBut it's apparent that I am hit by the LB paranoia bug so either way, I think I'll end up learning much more than all the people who grab them silvers and golds :D :D.",
      "votes": null
    },
    {
      "id": "269365",
      "postDate": "01/16/2018 17:37:31",
      "content": "<p>I'm afraid that my score in LB is overfiting, so I expect a moderate shakeup tonight. </p>",
      "rawMarkdown": "I'm afraid that my score in LB is overfiting, so I expect a moderate shakeup tonight.",
      "votes": null
    },
    {
      "id": "269369",
      "postDate": "01/16/2018 17:43:13",
      "content": "<p>How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...</p>",
      "rawMarkdown": "How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...",
      "votes": null
    },
    {
      "id": "269371",
      "postDate": "01/16/2018 17:46:43",
      "content": "<p>Relatively moderate shakeup will be there i am sure. </p>",
      "rawMarkdown": "Relatively moderate shakeup will be there i am sure.",
      "votes": null
    },
    {
      "id": "269372",
      "postDate": "01/16/2018 17:47:21",
      "content": "<p>All the best!</p>",
      "rawMarkdown": "All the best!",
      "votes": null
    },
    {
      "id": "269382",
      "postDate": "01/16/2018 18:15:09",
      "content": "<p>What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!</p>",
      "rawMarkdown": "What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!",
      "votes": null
    },
    {
      "id": "269388",
      "postDate": "01/16/2018 18:20:56",
      "content": "<p>normal validation/test scores somehow translate to the public LB if your model is deep and big enough:\n0.96-0.97 to 87% LB,  &gt;0.97 to 88% LB (DPN92 was exception and scored only 87%)</p>",
      "rawMarkdown": "normal validation/test scores somehow translate to the public LB if your model is deep and big enough:\n0.96-0.97 to 87% LB,  &gt;0.97 to 88% LB (DPN92 was exception and scored only 87%)",
      "votes": null
    },
    {
      "id": "269395",
      "postDate": "01/16/2018 18:40:26",
      "content": "<p>Yeah, I'm seeing something similar, but the exceptions make me think that something else is going on... We'll see soon enough. Good luck!</p>",
      "rawMarkdown": "Yeah, I'm seeing something similar, but the exceptions make me think that something else is going on... We'll see soon enough. Good luck!",
      "votes": null
    },
    {
      "id": "269398",
      "postDate": "01/16/2018 18:51:59",
      "content": "<blockquote>\n  <p><strong>fergusoci wrote</strong></p>\n  \n  <blockquote>\n    <p>What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!</p>\n  </blockquote>\n</blockquote>\n\n<p>I just splitted the data using user_id. I had correlation with the LB but a very big gap between them. My models have a cv score of 0.99 vs the lb score of 0.89. </p>",
      "rawMarkdown": "&gt; **fergusoci wrote**\n&gt; \n&gt; &gt; What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!\n\nI just splitted the data using user_id. I had correlation with the LB but a very big gap between them. My models have a cv score of 0.99 vs the lb score of 0.89.",
      "votes": null
    },
    {
      "id": "269399",
      "postDate": "01/16/2018 18:52:28",
      "content": "<blockquote>\n  <p><strong>tugstugi wrote</strong></p>\n  \n  <blockquote>\n    <p>How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...</p>\n  </blockquote>\n</blockquote>\n\n<p>It's just intuition. All the things that I tried in the last week didn't improve the score. So I believe I had a lucky submission and that it won't hold on the private LB.</p>",
      "rawMarkdown": "&gt; **tugstugi wrote**\n&gt; \n&gt; &gt; How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...\n\nIt's just intuition. All the things that I tried in the last week didn't improve the score. So I believe I had a lucky submission and that it won't hold on the private LB.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 269208,
      "author_name": "youngguy131",
      "author_url": "",
      "post_date": "01/16/2018 13:08:28",
      "content": "<p>I think so too :-)</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 269334,
      "author_name": "shvetsiya",
      "author_url": "",
      "post_date": "01/16/2018 16:43:13",
      "content": "<p>Data are quite noisy and teams are very close to each other. Relatively moderate shakeup is expected to be.</p>",
      "votes": null,
      "replies": [
        {
          "id": 269371,
          "author_name": "outliar",
          "author_url": "",
          "post_date": "01/16/2018 17:46:43",
          "content": "<p>Relatively moderate shakeup will be there i am sure. </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 269343,
      "author_name": "yadavsarthak",
      "author_url": "",
      "post_date": "01/16/2018 16:47:06",
      "content": "<p>I'm actually counting on a shakeup. More like, I've staked a lot on a shakeup, which might seem like a stupid thing to do I admit, but it was just intuition. I might not have learned much from prev DL competitions, but I did learn one thing: the leaderboard can be a very good liar at times. A lot of it can be attributed to the fact that the private lb/public lb split is 70/30. But beyond that, it's the presence of \"unknowns\". That, combined with a 70% private lb can very well make this competition turn into something like one of those 2-stage competitions. Who knows what demons hide in there.</p>\n\n<p>But it's apparent that I am hit by the LB paranoia bug so either way, I think I'll end up learning much more than all the people who grab them silvers and golds :D :D.</p>",
      "votes": null,
      "replies": [
        {
          "id": 269372,
          "author_name": "outliar",
          "author_url": "",
          "post_date": "01/16/2018 17:47:21",
          "content": "<p>All the best!</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 269365,
      "author_name": "ironbar",
      "author_url": "",
      "post_date": "01/16/2018 17:37:31",
      "content": "<p>I'm afraid that my score in LB is overfiting, so I expect a moderate shakeup tonight. </p>",
      "votes": null,
      "replies": [
        {
          "id": 269369,
          "author_name": "tugstugi",
          "author_url": "",
          "post_date": "01/16/2018 17:43:13",
          "content": "<p>How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 269382,
          "author_name": "fergusoci",
          "author_url": "",
          "post_date": "01/16/2018 18:15:09",
          "content": "<p>What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 269388,
          "author_name": "tugstugi",
          "author_url": "",
          "post_date": "01/16/2018 18:20:56",
          "content": "<p>normal validation/test scores somehow translate to the public LB if your model is deep and big enough:\n0.96-0.97 to 87% LB,  &gt;0.97 to 88% LB (DPN92 was exception and scored only 87%)</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 269395,
          "author_name": "fergusoci",
          "author_url": "",
          "post_date": "01/16/2018 18:40:26",
          "content": "<p>Yeah, I'm seeing something similar, but the exceptions make me think that something else is going on... We'll see soon enough. Good luck!</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 269398,
          "author_name": "ironbar",
          "author_url": "",
          "post_date": "01/16/2018 18:51:59",
          "content": "<blockquote>\n  <p><strong>fergusoci wrote</strong></p>\n  \n  <blockquote>\n    <p>What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!</p>\n  </blockquote>\n</blockquote>\n\n<p>I just splitted the data using user_id. I had correlation with the LB but a very big gap between them. My models have a cv score of 0.99 vs the lb score of 0.89. </p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 269399,
          "author_name": "ironbar",
          "author_url": "",
          "post_date": "01/16/2018 18:52:28",
          "content": "<blockquote>\n  <p><strong>tugstugi wrote</strong></p>\n  \n  <blockquote>\n    <p>How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...</p>\n  </blockquote>\n</blockquote>\n\n<p>It's just intuition. All the things that I tried in the last week didn't improve the score. So I believe I had a lucky submission and that it won't hold on the private LB.</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "269067": "Given the possibility of three-submissions It will be interesting to see the shakeup in this competition.\nWhat do you think?",
    "269208": "I think so too :-)",
    "269334": "Data are quite noisy and teams are very close to each other. Relatively moderate shakeup is expected to be.",
    "269343": "I'm actually counting on a shakeup. More like, I've staked a lot on a shakeup, which might seem like a stupid thing to do I admit, but it was just intuition. I might not have learned much from prev DL competitions, but I did learn one thing: the leaderboard can be a very good liar at times. A lot of it can be attributed to the fact that the private lb/public lb split is 70/30. But beyond that, it's the presence of \"unknowns\". That, combined with a 70% private lb can very well make this competition turn into something like one of those 2-stage competitions. Who knows what demons hide in there.\n\nBut it's apparent that I am hit by the LB paranoia bug so either way, I think I'll end up learning much more than all the people who grab them silvers and golds :D :D.",
    "269365": "I'm afraid that my score in LB is overfiting, so I expect a moderate shakeup tonight.",
    "269369": "How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...",
    "269371": "Relatively moderate shakeup will be there i am sure.",
    "269372": "All the best!",
    "269382": "What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!",
    "269388": "normal validation/test scores somehow translate to the public LB if your model is deep and big enough:\n0.96-0.97 to 87% LB,  &gt;0.97 to 88% LB (DPN92 was exception and scored only 87%)",
    "269395": "Yeah, I'm seeing something similar, but the exceptions make me think that something else is going on... We'll see soon enough. Good luck!",
    "269398": "&gt; **fergusoci wrote**\n&gt; \n&gt; &gt; What validation scheme did you come up with to match the leaderboard? I tried several but couldn't get anything that matched it... Which makes me think I'm going to be part of the shakeup, and that I won't likely benefit from it!\n\nI just splitted the data using user_id. I had correlation with the LB but a very big gap between them. My models have a cv score of 0.99 vs the lb score of 0.89.",
    "269399": "&gt; **tugstugi wrote**\n&gt; \n&gt; &gt; How do you know that you are overfiting the public LB? Until now, all our validation accuracy matched somehow the public LB scores. So I am hoping...\n\nIt's just intuition. All the things that I tried in the last week didn't improve the score. So I believe I had a lucky submission and that it won't hold on the private LB."
  },
  "source": "meta"
}