{
  "id": 102918,
  "title": "Your best NN (not GNN) score?",
  "url": "/competitions/champs-scalar-coupling/discussion/102918",
  "author_name": "heng",
  "post_date": "2019-08-06T01:19:33.929000",
  "votes": 12,
  "comment_count": 12,
  "views": 0,
  "content": "<p>We are training a NN base on <a href=\"https://www.kaggle.com/todnewman/keras-neural-net-for-champs\">this great kernel</a> in recent days (using features from <a href=\"https://www.kaggle.com/marcelotamashiro/lgb-public-kernels-plus-more-features\">another great kernel</a>). So far, our  best LB score is -1.533. </p>\n\n<p>Validation score:\n1JHC : -0.3433880794815648\n2JHH : -1.988209030784158\n1JHN : -0.6291790261096047\n2JHN : -1.9922648592440666\n2JHC : -1.6449381956111688\n3JHH : -1.8786889566917344\n3JHC : -1.5559262222896761\n3JHN : -2.349979988173275</p>\n\n<p>What's your best NN score?  😄 </p>",
  "messages": [
    {
      "id": 592917,
      "postDate": "2019-08-06T01:19:33.930Z",
      "content": "<p>We are training a NN base on <a href=\"https://www.kaggle.com/todnewman/keras-neural-net-for-champs\">this great kernel</a> in recent days (using features from <a href=\"https://www.kaggle.com/marcelotamashiro/lgb-public-kernels-plus-more-features\">another great kernel</a>). So far, our  best LB score is -1.533. </p>\n\n<p>Validation score:\n1JHC : -0.3433880794815648\n2JHH : -1.988209030784158\n1JHN : -0.6291790261096047\n2JHN : -1.9922648592440666\n2JHC : -1.6449381956111688\n3JHH : -1.8786889566917344\n3JHC : -1.5559262222896761\n3JHN : -2.349979988173275</p>\n\n<p>What's your best NN score?  😄 </p>",
      "rawMarkdown": "We are training a NN base on [this great kernel](https://www.kaggle.com/todnewman/keras-neural-net-for-champs) in recent days (using features from [another great kernel](https://www.kaggle.com/marcelotamashiro/lgb-public-kernels-plus-more-features)). So far, our  best LB score is -1.533. \n\nValidation score:\n1JHC : -0.3433880794815648\n2JHH : -1.988209030784158\n1JHN : -0.6291790261096047\n2JHN : -1.9922648592440666\n2JHC : -1.6449381956111688\n3JHH : -1.8786889566917344\n3JHC : -1.5559262222896761\n3JHN : -2.349979988173275\n\nWhat's your best NN score?  😄 \n",
      "votes": 11
    },
    {
      "id": 595541,
      "postDate": "2019-08-09T10:45:44.233Z",
      "content": "<p>Plain NN (tabular, Keras)</p>\n\n<p>Single fold validation: log(MAE)\n1JHC : -1.0668\n2JHH : -2.63113\n1JHN : -1.63487\n2JHN : -2.41966\n2JHC : -2.00082\n3JHH : -2.38288\n3JHC : -1.96888\n3JHN : -2.75022</p>\n\n<p>mean : -2.10691\nLB   : -2.096</p>",
      "rawMarkdown": "Plain NN (tabular, Keras)\n\nSingle fold validation: log(MAE)\n1JHC : -1.0668\n2JHH : -2.63113\n1JHN : -1.63487\n2JHN : -2.41966\n2JHC : -2.00082\n3JHH : -2.38288\n3JHC : -1.96888\n3JHN : -2.75022\n\nmean : -2.10691\nLB   : -2.096",
      "votes": 5,
      "replies": [
        {
          "id": 595597,
          "postDate": "2019-08-09T12:33:51.493Z",
          "content": "<p>Awesome!</p>",
          "rawMarkdown": "Awesome!"
        },
        {
          "id": 595882,
          "postDate": "2019-08-09T19:36:37.747Z",
          "rawMarkdown": "",
          "isDeleted": true
        },
        {
          "id": 595944,
          "postDate": "2019-08-09T22:16:30.063Z",
          "content": "<p>Indeed, I do normalize all features with ScikitLearn StandardScaler</p>",
          "rawMarkdown": "Indeed, I do normalize all features with ScikitLearn StandardScaler"
        },
        {
          "id": 596112,
          "postDate": "2019-08-10T07:21:19.290Z",
          "content": "<p>Do you use LightGBM or similar? From my experience GB trees works better with tabular data vs MLP NN.</p>",
          "rawMarkdown": "Do you use LightGBM or similar? From my experience GB trees works better with tabular data vs MLP NN."
        },
        {
          "id": 596197,
          "postDate": "2019-08-10T09:44:55.683Z",
          "content": "<p>Indeed, you can get way better than -2 with lgb too, see <a href=\"https://www.kaggle.com/c/champs-scalar-coupling/discussion/98444#581857\">https://www.kaggle.com/c/champs-scalar-coupling/discussion/98444#581857</a></p>",
          "rawMarkdown": "Indeed, you can get way better than -2 with lgb too, see https://www.kaggle.com/c/champs-scalar-coupling/discussion/98444#581857"
        }
      ]
    },
    {
      "id": 593878,
      "postDate": "2019-08-07T08:10:52.870Z",
      "content": "<p>heya, not really what you asked but I use similar features with LGB and get the following scores:</p>\n\n<p>type 0: score: -0.37177809364989006\ntype 3: score: -1.8415483569108544\ntype 1: score: -1.0627788403748317\ntype 4: score: -1.6180205433774424\ntype 2: score: -1.1955816071253371\ntype 6: score: -1.7630544731733746\ntype 5: score: -1.1844071044220386\ntype 7: score: -2.016667921831149</p>\n\n<p>for an overall LB like -1,48. seems like a NN does worse on some, but better on others, so it might be worth adapting for your stack.</p>",
      "rawMarkdown": "heya, not really what you asked but I use similar features with LGB and get the following scores:\n\ntype 0: score: -0.37177809364989006\ntype 3: score: -1.8415483569108544\ntype 1: score: -1.0627788403748317\ntype 4: score: -1.6180205433774424\ntype 2: score: -1.1955816071253371\ntype 6: score: -1.7630544731733746\ntype 5: score: -1.1844071044220386\ntype 7: score: -2.016667921831149\n\nfor an overall LB like -1,48. seems like a NN does worse on some, but better on others, so it might be worth adapting for your stack.",
      "votes": 1
    },
    {
      "id": 593806,
      "postDate": "2019-08-07T06:28:54.043Z",
      "content": "<p>Part of my  model is a plain NN (Fastai Tabular) which reaches LB -1.529. \nI'm only using structures.csv, train.csv and test.csv to generate festures.</p>",
      "rawMarkdown": "Part of my  model is a plain NN (Fastai Tabular) which reaches LB -1.529. \nI'm only using structures.csv, train.csv and test.csv to generate festures.",
      "replies": [
        {
          "id": 593851,
          "postDate": "2019-08-07T07:39:18.613Z",
          "content": "<p>Good job! \nIf you don't mind, may I ask how many features you using? \ntrain_test_split or kfold?</p>",
          "rawMarkdown": "Good job! \nIf you don't mind, may I ask how many features you using? \ntrain_test_split or kfold?"
        },
        {
          "id": 593946,
          "postDate": "2019-08-07T10:23:30.277Z",
          "content": "<p>Sorry got the LB score wrong for the nn. It's only -1.529. \nI'm not folding on the nn. It is randomly sampled per type with 10% validation.\nUsing about 160 -190 features (need to check at home later).</p>",
          "rawMarkdown": "Sorry got the LB score wrong for the nn. It's only -1.529. \nI'm not folding on the nn. It is randomly sampled per type with 10% validation.\nUsing about 160 -190 features (need to check at home later)."
        }
      ]
    },
    {
      "id": 594521,
      "postDate": "2019-08-08T06:06:02.130Z",
      "rawMarkdown": "",
      "votes": 1,
      "isDeleted": true,
      "replies": [
        {
          "id": 595517,
          "postDate": "2019-08-09T10:14:41.783Z",
          "content": "<p>not my kernels ... 👀 </p>",
          "rawMarkdown": "not my kernels ... 👀 "
        }
      ]
    }
  ],
  "comments": [
    {
      "id": 595541,
      "author_name": "Philippe Lonjoux",
      "author_url": "",
      "post_date": "2019-08-09T10:45:44.233000",
      "content": "<p>Plain NN (tabular, Keras)</p>\n\n<p>Single fold validation: log(MAE)\n1JHC : -1.0668\n2JHH : -2.63113\n1JHN : -1.63487\n2JHN : -2.41966\n2JHC : -2.00082\n3JHH : -2.38288\n3JHC : -1.96888\n3JHN : -2.75022</p>\n\n<p>mean : -2.10691\nLB   : -2.096</p>",
      "votes": 5,
      "replies": [
        {
          "id": 595597,
          "author_name": "heng",
          "author_url": "",
          "post_date": "2019-08-09T12:33:51.493000",
          "content": "<p>Awesome!</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 595882,
          "author_name": "",
          "author_url": "",
          "post_date": "2019-08-09T19:36:37.747000",
          "content": "",
          "votes": 0,
          "replies": []
        },
        {
          "id": 595944,
          "author_name": "Philippe Lonjoux",
          "author_url": "",
          "post_date": "2019-08-09T22:16:30.063000",
          "content": "<p>Indeed, I do normalize all features with ScikitLearn StandardScaler</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 596112,
          "author_name": "Sergey Zlobin",
          "author_url": "",
          "post_date": "2019-08-10T07:21:19.290000",
          "content": "<p>Do you use LightGBM or similar? From my experience GB trees works better with tabular data vs MLP NN.</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 596197,
          "author_name": "CPMP",
          "author_url": "",
          "post_date": "2019-08-10T09:44:55.683000",
          "content": "<p>Indeed, you can get way better than -2 with lgb too, see <a href=\"https://www.kaggle.com/c/champs-scalar-coupling/discussion/98444#581857\">https://www.kaggle.com/c/champs-scalar-coupling/discussion/98444#581857</a></p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 593878,
      "author_name": "Proletheus",
      "author_url": "",
      "post_date": "2019-08-07T08:10:52.870000",
      "content": "<p>heya, not really what you asked but I use similar features with LGB and get the following scores:</p>\n\n<p>type 0: score: -0.37177809364989006\ntype 3: score: -1.8415483569108544\ntype 1: score: -1.0627788403748317\ntype 4: score: -1.6180205433774424\ntype 2: score: -1.1955816071253371\ntype 6: score: -1.7630544731733746\ntype 5: score: -1.1844071044220386\ntype 7: score: -2.016667921831149</p>\n\n<p>for an overall LB like -1,48. seems like a NN does worse on some, but better on others, so it might be worth adapting for your stack.</p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 593806,
      "author_name": "Jo Tom",
      "author_url": "",
      "post_date": "2019-08-07T06:28:54.043000",
      "content": "<p>Part of my  model is a plain NN (Fastai Tabular) which reaches LB -1.529. \nI'm only using structures.csv, train.csv and test.csv to generate festures.</p>",
      "votes": 0,
      "replies": [
        {
          "id": 593851,
          "author_name": "heng",
          "author_url": "",
          "post_date": "2019-08-07T07:39:18.613000",
          "content": "<p>Good job! \nIf you don't mind, may I ask how many features you using? \ntrain_test_split or kfold?</p>",
          "votes": 0,
          "replies": []
        },
        {
          "id": 593946,
          "author_name": "Jo Tom",
          "author_url": "",
          "post_date": "2019-08-07T10:23:30.277000",
          "content": "<p>Sorry got the LB score wrong for the nn. It's only -1.529. \nI'm not folding on the nn. It is randomly sampled per type with 10% validation.\nUsing about 160 -190 features (need to check at home later).</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 594521,
      "author_name": "",
      "author_url": "",
      "post_date": "2019-08-08T06:06:02.130000",
      "content": "",
      "votes": 1,
      "replies": [
        {
          "id": 595517,
          "author_name": "heng",
          "author_url": "",
          "post_date": "2019-08-09T10:14:41.783000",
          "content": "<p>not my kernels ... 👀 </p>",
          "votes": 0,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "592917": "We are training a NN base on [this great kernel](https://www.kaggle.com/todnewman/keras-neural-net-for-champs) in recent days (using features from [another great kernel](https://www.kaggle.com/marcelotamashiro/lgb-public-kernels-plus-more-features)). So far, our  best LB score is -1.533. \n\nValidation score:\n1JHC : -0.3433880794815648\n2JHH : -1.988209030784158\n1JHN : -0.6291790261096047\n2JHN : -1.9922648592440666\n2JHC : -1.6449381956111688\n3JHH : -1.8786889566917344\n3JHC : -1.5559262222896761\n3JHN : -2.349979988173275\n\nWhat's your best NN score?  😄 \n",
    "595541": "Plain NN (tabular, Keras)\n\nSingle fold validation: log(MAE)\n1JHC : -1.0668\n2JHH : -2.63113\n1JHN : -1.63487\n2JHN : -2.41966\n2JHC : -2.00082\n3JHH : -2.38288\n3JHC : -1.96888\n3JHN : -2.75022\n\nmean : -2.10691\nLB   : -2.096",
    "593878": "heya, not really what you asked but I use similar features with LGB and get the following scores:\n\ntype 0: score: -0.37177809364989006\ntype 3: score: -1.8415483569108544\ntype 1: score: -1.0627788403748317\ntype 4: score: -1.6180205433774424\ntype 2: score: -1.1955816071253371\ntype 6: score: -1.7630544731733746\ntype 5: score: -1.1844071044220386\ntype 7: score: -2.016667921831149\n\nfor an overall LB like -1,48. seems like a NN does worse on some, but better on others, so it might be worth adapting for your stack.",
    "593806": "Part of my  model is a plain NN (Fastai Tabular) which reaches LB -1.529. \nI'm only using structures.csv, train.csv and test.csv to generate festures.",
    "594521": ""
  }
}