{
  "id": 16081,
  "title": "Negative values for LifeTime and FlightDistance",
  "url": "/competitions/flavours-of-physics/discussion/16081",
  "author_name": "",
  "post_date": "2015-08-22T23:11:17.173Z",
  "votes": 3,
  "comment_count": 1,
  "views": 424,
  "content": "<p>There are some rare cases where LifeTime and FlightDistance variables are negative in a test set and agreement data.</p>\n\n<p>For example in test set, ids:\n10239464,  5227916,  2293660,  4271155, 10505228,  7806666, 16383949,  2399472,  5094140,  2753575,  4786885</p>\n\n<p>In check_agreement data set, ids:\n3598410, 17639323, 8716439, 10393565, 6189005.</p>\n\n<p>So what's the deal with negative values?</p>",
  "messages": [
    {
      "id": "90131",
      "postDate": "08/22/2015 23:11:17",
      "content": "<p>There are some rare cases where LifeTime and FlightDistance variables are negative in a test set and agreement data.</p>\n\n<p>For example in test set, ids:\n10239464,  5227916,  2293660,  4271155, 10505228,  7806666, 16383949,  2399472,  5094140,  2753575,  4786885</p>\n\n<p>In check_agreement data set, ids:\n3598410, 17639323, 8716439, 10393565, 6189005.</p>\n\n<p>So what's the deal with negative values?</p>",
      "rawMarkdown": "There are some rare cases where LifeTime and FlightDistance variables are negative in a test set and agreement data.\r\n\r\nFor example in test set, ids:\r\n10239464,  5227916,  2293660,  4271155, 10505228,  7806666, 16383949,  2399472,  5094140,  2753575,  4786885\r\n\r\nIn check_agreement data set, ids:\r\n3598410, 17639323, 8716439, 10393565, 6189005.\r\n\r\nSo what's the deal with negative values?",
      "votes": null
    },
    {
      "id": "90566",
      "postDate": "08/27/2015 20:43:37",
      "content": "<p>Hey,</p>\n\n<p>This happens usually when the decay is assigned to the wrong primary vertex. You can reject thous events.</p>\n\n<p>Cheers,\nMarcin</p>",
      "rawMarkdown": "Hey,\r\n\r\nThis happens usually when the decay is assigned to the wrong primary vertex. You can reject thous events.\r\n\r\nCheers,\r\nMarcin",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 90566,
      "author_name": "albercik1905",
      "author_url": "",
      "post_date": "08/27/2015 20:43:37",
      "content": "<p>Hey,</p>\n\n<p>This happens usually when the decay is assigned to the wrong primary vertex. You can reject thous events.</p>\n\n<p>Cheers,\nMarcin</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "90131": "There are some rare cases where LifeTime and FlightDistance variables are negative in a test set and agreement data.\r\n\r\nFor example in test set, ids:\r\n10239464,  5227916,  2293660,  4271155, 10505228,  7806666, 16383949,  2399472,  5094140,  2753575,  4786885\r\n\r\nIn check_agreement data set, ids:\r\n3598410, 17639323, 8716439, 10393565, 6189005.\r\n\r\nSo what's the deal with negative values?",
    "90566": "Hey,\r\n\r\nThis happens usually when the decay is assigned to the wrong primary vertex. You can reject thous events.\r\n\r\nCheers,\r\nMarcin"
  },
  "source": "meta"
}