{
  "id": 58274,
  "title": "Errors in Data - Verify or Deny",
  "url": "/competitions/trackml-particle-identification/discussion/58274",
  "author_name": "",
  "post_date": "2018-06-05T10:35:31.540141200Z",
  "votes": 1,
  "comment_count": 2,
  "views": 0,
  "content": "<p>Hi Folks, </p>\n\n<p>I just encountered that there are errors within the data.  In some occasions you will find a wrong decimal place. </p>\n\n<p>Lets examine e.g. event <strong>event000001000</strong>  from the train_sample:\n<strong>particle:  58548032106397600</strong></p>\n\n<p><strong>Hit ID: 22201</strong>\nthruth.csv:  value for ty: -120.922 (prob. correct)\nhit.csv  value for y:       -12.098</p>\n\n<p>thruth.csv:  value for tz:  186.664 (prob. correct)\nhit.csv  value for z:        18.662</p>\n\n<p><strong>Hit ID: 30053</strong>\nthruth.csv:  value for tx:  64.692\nhit.csv  value for x:        646.925 (prob. correct)</p>\n\n<p>Seemingly,  there are errors in both ways. Can please somebody verify it or delight me with a comprehensible reason? Thanks a lot. </p>",
  "messages": [
    {
      "id": "338567",
      "postDate": "06/05/2018 10:35:31",
      "content": "<p>Hi Folks, </p>\n\n<p>I just encountered that there are errors within the data.  In some occasions you will find a wrong decimal place. </p>\n\n<p>Lets examine e.g. event <strong>event000001000</strong>  from the train_sample:\n<strong>particle:  58548032106397600</strong></p>\n\n<p><strong>Hit ID: 22201</strong>\nthruth.csv:  value for ty: -120.922 (prob. correct)\nhit.csv  value for y:       -12.098</p>\n\n<p>thruth.csv:  value for tz:  186.664 (prob. correct)\nhit.csv  value for z:        18.662</p>\n\n<p><strong>Hit ID: 30053</strong>\nthruth.csv:  value for tx:  64.692\nhit.csv  value for x:        646.925 (prob. correct)</p>\n\n<p>Seemingly,  there are errors in both ways. Can please somebody verify it or delight me with a comprehensible reason? Thanks a lot. </p>",
      "rawMarkdown": "Hi Folks, \n\nI just encountered that there are errors within the data.  In some occasions you will find a wrong decimal place. \n\nLets examine e.g. event **event000001000**  from the train_sample:\n**particle:  58548032106397600**\n\n**Hit ID: 22201**\nthruth.csv:  value for ty: -120.922 (prob. correct)\nhit.csv  value for y:       -12.098\n\nthruth.csv:  value for tz:  186.664 (prob. correct)\nhit.csv  value for z:        18.662\n\n**Hit ID: 30053**\nthruth.csv:  value for tx:  64.692\nhit.csv  value for x:        646.925 (prob. correct)\n\nSeemingly,  there are errors in both ways. Can please somebody verify it or delight me with a comprehensible reason? Thanks a lot.",
      "votes": null
    },
    {
      "id": "338573",
      "postDate": "06/05/2018 10:56:59",
      "content": "<p>Look good to me:</p>\n\n<p>hit_id  particle_id tx  ty  tz  tpx tpy tpz weight</p>\n\n<p>22201   5,8548E+16  29,0722 -12,0922    18,6664 0,267153    -0,121311   0,184654    8,45E-06</p>\n\n<p>30053   5,8548E+16  64,692  -29,9591    43,2677 0,257165    -0,143216   0,181314    6,86E-06</p>\n\n<p>hit_id  x   y   z   volume_id   layer_id    module_id</p>\n\n<p>22201   29,0694 -12,098 18,662  8   2   119</p>\n\n<p>30053   64,6925 -29,9577    43,2677 8   4   238</p>",
      "rawMarkdown": "Look good to me:\n\n\nhit_id\tparticle_id\ttx\tty\ttz\ttpx\ttpy\ttpz\tweight\n\n22201\t5,8548E+16\t29,0722\t-12,0922\t18,6664\t0,267153\t-0,121311\t0,184654\t8,45E-06\n\n30053\t5,8548E+16\t64,692\t-29,9591\t43,2677\t0,257165\t-0,143216\t0,181314\t6,86E-06\n\n\nhit_id\tx\ty\tz\tvolume_id\tlayer_id\tmodule_id\n\n22201\t29,0694\t-12,098\t18,662\t8\t2\t119\n\n30053\t64,6925\t-29,9577\t43,2677\t8\t4\t238",
      "votes": null
    },
    {
      "id": "338581",
      "postDate": "06/05/2018 11:07:43",
      "content": "<p>Than i probably made a mistake during the import - sorry for causing any inconvenience :/\nThanks Glimmung for your fast answer.</p>",
      "rawMarkdown": "Than i probably made a mistake during the import - sorry for causing any inconvenience :/\nThanks Glimmung for your fast answer.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 338573,
      "author_name": "glimmung",
      "author_url": "",
      "post_date": "06/05/2018 10:56:59",
      "content": "<p>Look good to me:</p>\n\n<p>hit_id  particle_id tx  ty  tz  tpx tpy tpz weight</p>\n\n<p>22201   5,8548E+16  29,0722 -12,0922    18,6664 0,267153    -0,121311   0,184654    8,45E-06</p>\n\n<p>30053   5,8548E+16  64,692  -29,9591    43,2677 0,257165    -0,143216   0,181314    6,86E-06</p>\n\n<p>hit_id  x   y   z   volume_id   layer_id    module_id</p>\n\n<p>22201   29,0694 -12,098 18,662  8   2   119</p>\n\n<p>30053   64,6925 -29,9577    43,2677 8   4   238</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 338581,
      "author_name": "kjentzsch",
      "author_url": "",
      "post_date": "06/05/2018 11:07:43",
      "content": "<p>Than i probably made a mistake during the import - sorry for causing any inconvenience :/\nThanks Glimmung for your fast answer.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "338567": "Hi Folks, \n\nI just encountered that there are errors within the data.  In some occasions you will find a wrong decimal place. \n\nLets examine e.g. event **event000001000**  from the train_sample:\n**particle:  58548032106397600**\n\n**Hit ID: 22201**\nthruth.csv:  value for ty: -120.922 (prob. correct)\nhit.csv  value for y:       -12.098\n\nthruth.csv:  value for tz:  186.664 (prob. correct)\nhit.csv  value for z:        18.662\n\n**Hit ID: 30053**\nthruth.csv:  value for tx:  64.692\nhit.csv  value for x:        646.925 (prob. correct)\n\nSeemingly,  there are errors in both ways. Can please somebody verify it or delight me with a comprehensible reason? Thanks a lot.",
    "338573": "Look good to me:\n\n\nhit_id\tparticle_id\ttx\tty\ttz\ttpx\ttpy\ttpz\tweight\n\n22201\t5,8548E+16\t29,0722\t-12,0922\t18,6664\t0,267153\t-0,121311\t0,184654\t8,45E-06\n\n30053\t5,8548E+16\t64,692\t-29,9591\t43,2677\t0,257165\t-0,143216\t0,181314\t6,86E-06\n\n\nhit_id\tx\ty\tz\tvolume_id\tlayer_id\tmodule_id\n\n22201\t29,0694\t-12,098\t18,662\t8\t2\t119\n\n30053\t64,6925\t-29,9577\t43,2677\t8\t4\t238",
    "338581": "Than i probably made a mistake during the import - sorry for causing any inconvenience :/\nThanks Glimmung for your fast answer."
  },
  "source": "meta"
}