{
  "id": 114903,
  "title": "ASHRAE : Advanced automatic FE",
  "url": "/competitions/ashrae-energy-prediction/discussion/114903",
  "author_name": "",
  "post_date": "2019-10-30T00:27:19.622888500Z",
  "votes": 6,
  "comment_count": 4,
  "views": 0,
  "content": "<p>I tried to make an automatic FE using the Featuretools library method and the Selection FE (SelectFromModel): <a href=\"https://www.kaggle.com/vbmokin/ashrae-automatic-fe-featuretools-selection-fe\">https://www.kaggle.com/vbmokin/ashrae-automatic-fe-featuretools-selection-fe</a> \nI used 3 ways for post-processing of the Featuretools rezults for part of train data:\n- Feature selection with the Pearson correlation\n- Feature selection with the SelectFromModel and LinearSVR\n- Feature selection with the SelectFromModel and RandomForestRegressor\nAfter that, I chose the common features in all three sets and just generally all of them.</p>\n\n<p>Any other ideas for their automatic selection and which of these features are worth leaving?</p>",
  "messages": [
    {
      "id": "661132",
      "postDate": "10/30/2019 00:27:19",
      "content": "<p>I tried to make an automatic FE using the Featuretools library method and the Selection FE (SelectFromModel): <a href=\"https://www.kaggle.com/vbmokin/ashrae-automatic-fe-featuretools-selection-fe\">https://www.kaggle.com/vbmokin/ashrae-automatic-fe-featuretools-selection-fe</a> \nI used 3 ways for post-processing of the Featuretools rezults for part of train data:\n- Feature selection with the Pearson correlation\n- Feature selection with the SelectFromModel and LinearSVR\n- Feature selection with the SelectFromModel and RandomForestRegressor\nAfter that, I chose the common features in all three sets and just generally all of them.</p>\n\n<p>Any other ideas for their automatic selection and which of these features are worth leaving?</p>",
      "rawMarkdown": "I tried to make an automatic FE using the Featuretools library method and the Selection FE (SelectFromModel): https://www.kaggle.com/vbmokin/ashrae-automatic-fe-featuretools-selection-fe \nI used 3 ways for post-processing of the Featuretools rezults for part of train data:\n- Feature selection with the Pearson correlation\n- Feature selection with the SelectFromModel and LinearSVR\n- Feature selection with the SelectFromModel and RandomForestRegressor\nAfter that, I chose the common features in all three sets and just generally all of them.\n\nAny other ideas for their automatic selection and which of these features are worth leaving?",
      "votes": null
    },
    {
      "id": "662276",
      "postDate": "10/31/2019 11:14:55",
      "content": "<p>I would suggest that the Pearson Correlation won't be effective for categorical -- continuous variable relationship , it would be better to work with creme's V or mutual info score in such cases . </p>",
      "rawMarkdown": "I would suggest that the Pearson Correlation won't be effective for categorical -- continuous variable relationship , it would be better to work with creme's V or mutual info score in such cases .",
      "votes": null
    },
    {
      "id": "665280",
      "postDate": "11/04/2019 20:53:32",
      "content": "<p>Before finding the correlation, I encoded categorical features, but I agree with you, <a href=\"/avikrams\">@avikrams</a>, the Pearson correlation gave a bad filter. Subsequently, I separately made feature selection on a separate statistical characterictics - MEDIAN and SKEW. The result came out interesting - see <a href=\"https://www.kaggle.com/vbmokin/ashrae-automatic-fe-fc\">ASHRAE - Automatic FE&amp;FC</a></p>",
      "rawMarkdown": "Before finding the correlation, I encoded categorical features, but I agree with you, @avikrams, the Pearson correlation gave a bad filter. Subsequently, I separately made feature selection on a separate statistical characterictics - MEDIAN and SKEW. The result came out interesting - see [ASHRAE - Automatic FE&amp;FC](https://www.kaggle.com/vbmokin/ashrae-automatic-fe-fc)",
      "votes": null
    },
    {
      "id": "665307",
      "postDate": "11/04/2019 21:31:12",
      "content": "<p>i always found featuretools pretty hard to use and not that useful. So far I have never found any good automatic fe tools.</p>",
      "rawMarkdown": "i always found featuretools pretty hard to use and not that useful. So far I have never found any good automatic fe tools.",
      "votes": null
    },
    {
      "id": "667310",
      "postDate": "11/07/2019 05:21:52",
      "content": "<p>Interesting share , I made something very similar too. </p>",
      "rawMarkdown": "Interesting share , I made something very similar too.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 662276,
      "author_name": "avikrams",
      "author_url": "",
      "post_date": "10/31/2019 11:14:55",
      "content": "<p>I would suggest that the Pearson Correlation won't be effective for categorical -- continuous variable relationship , it would be better to work with creme's V or mutual info score in such cases . </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 665280,
      "author_name": "vbmokin",
      "author_url": "",
      "post_date": "11/04/2019 20:53:32",
      "content": "<p>Before finding the correlation, I encoded categorical features, but I agree with you, <a href=\"/avikrams\">@avikrams</a>, the Pearson correlation gave a bad filter. Subsequently, I separately made feature selection on a separate statistical characterictics - MEDIAN and SKEW. The result came out interesting - see <a href=\"https://www.kaggle.com/vbmokin/ashrae-automatic-fe-fc\">ASHRAE - Automatic FE&amp;FC</a></p>",
      "votes": null,
      "replies": [
        {
          "id": 667310,
          "author_name": "avikrams",
          "author_url": "",
          "post_date": "11/07/2019 05:21:52",
          "content": "<p>Interesting share , I made something very similar too. </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 665307,
      "author_name": "lewington",
      "author_url": "",
      "post_date": "11/04/2019 21:31:12",
      "content": "<p>i always found featuretools pretty hard to use and not that useful. So far I have never found any good automatic fe tools.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "661132": "I tried to make an automatic FE using the Featuretools library method and the Selection FE (SelectFromModel): https://www.kaggle.com/vbmokin/ashrae-automatic-fe-featuretools-selection-fe \nI used 3 ways for post-processing of the Featuretools rezults for part of train data:\n- Feature selection with the Pearson correlation\n- Feature selection with the SelectFromModel and LinearSVR\n- Feature selection with the SelectFromModel and RandomForestRegressor\nAfter that, I chose the common features in all three sets and just generally all of them.\n\nAny other ideas for their automatic selection and which of these features are worth leaving?",
    "662276": "I would suggest that the Pearson Correlation won't be effective for categorical -- continuous variable relationship , it would be better to work with creme's V or mutual info score in such cases .",
    "665280": "Before finding the correlation, I encoded categorical features, but I agree with you, @avikrams, the Pearson correlation gave a bad filter. Subsequently, I separately made feature selection on a separate statistical characterictics - MEDIAN and SKEW. The result came out interesting - see [ASHRAE - Automatic FE&amp;FC](https://www.kaggle.com/vbmokin/ashrae-automatic-fe-fc)",
    "665307": "i always found featuretools pretty hard to use and not that useful. So far I have never found any good automatic fe tools.",
    "667310": "Interesting share , I made something very similar too."
  },
  "source": "meta"
}