{
  "id": 1487,
  "title": "R code for AUC",
  "url": "/competitions/kddcup2012-track2/discussion/1487",
  "author_name": "",
  "post_date": "2012-03-07T02:36:19.943Z",
  "votes": null,
  "comment_count": 1,
  "views": 2605,
  "content": "<p>Does anybody knows an efficient implementation of the AUC metric used in this competition?</p>\r\n<p>Tried a couple of R &nbsp;packages, but they where very slow. The AUC code in matlab I have runs way faster!</p>",
  "messages": [
    {
      "id": "9116",
      "postDate": "03/07/2012 02:36:19",
      "content": "<p>Does anybody knows an efficient implementation of the AUC metric used in this competition?</p>\r\n<p>Tried a couple of R &nbsp;packages, but they where very slow. The AUC code in matlab I have runs way faster!</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "9117",
      "postDate": "03/07/2012 02:56:13",
      "content": "<p>you can use bin (tp and fp within each bin) to draw the ROC curve and compute the AUC, which is easy to be parallized on Hadoop.</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 9117,
      "author_name": "kennywang",
      "author_url": "",
      "post_date": "03/07/2012 02:56:13",
      "content": "<p>you can use bin (tp and fp within each bin) to draw the ROC curve and compute the AUC, which is easy to be parallized on Hadoop.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "9116": "",
    "9117": ""
  },
  "source": "meta"
}