{
  "id": 119767,
  "title": "Dir should be increasing clockwise",
  "url": "/competitions/nfl-playing-surface-analytics/discussion/119767",
  "author_name": "",
  "post_date": "2019-12-01T10:23:09.597944900Z",
  "votes": 4,
  "comment_count": 2,
  "views": 0,
  "content": "<p>I think the convention of direction, <strong>Dir</strong> is incorrectly described (increasing counter-clockwise) in the data overview.</p>\n\n<p>Here are some visualizations to show the comparison before (treating them as counter-clockwise) and after correction (clockwise). Arrowheads point towards the direction of motion, you can see that some motions are cranky and rather impossible (running backward) if <strong>Dir</strong> increases counter-clockwise. The starting position is indicated in red.</p>\n\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F7e30a0648ece5ffd6484f780bbd7caf9%2Fdirection_incorrect_1.png?generation=1575195161796694&amp;alt=media\" alt=\"\">\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F9fae6b2d62b43473bec7f4433af1eaee%2Fdirection_incorrect_2.png?generation=1575195503493331&amp;alt=media\" alt=\"\">\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F66d036ff9a572f55f06f2514fab99c50%2Fdirection_incorrect_3.png?generation=1575195518800483&amp;alt=media\" alt=\"\"></p>",
  "messages": [
    {
      "id": "685274",
      "postDate": "12/01/2019 10:23:09",
      "content": "<p>I think the convention of direction, <strong>Dir</strong> is incorrectly described (increasing counter-clockwise) in the data overview.</p>\n\n<p>Here are some visualizations to show the comparison before (treating them as counter-clockwise) and after correction (clockwise). Arrowheads point towards the direction of motion, you can see that some motions are cranky and rather impossible (running backward) if <strong>Dir</strong> increases counter-clockwise. The starting position is indicated in red.</p>\n\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F7e30a0648ece5ffd6484f780bbd7caf9%2Fdirection_incorrect_1.png?generation=1575195161796694&amp;alt=media\" alt=\"\">\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F9fae6b2d62b43473bec7f4433af1eaee%2Fdirection_incorrect_2.png?generation=1575195503493331&amp;alt=media\" alt=\"\">\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F66d036ff9a572f55f06f2514fab99c50%2Fdirection_incorrect_3.png?generation=1575195518800483&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "I think the convention of direction, **Dir** is incorrectly described (increasing counter-clockwise) in the data overview.\n\nHere are some visualizations to show the comparison before (treating them as counter-clockwise) and after correction (clockwise). Arrowheads point towards the direction of motion, you can see that some motions are cranky and rather impossible (running backward) if **Dir** increases counter-clockwise. The starting position is indicated in red.\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F7e30a0648ece5ffd6484f780bbd7caf9%2Fdirection_incorrect_1.png?generation=1575195161796694&amp;alt=media)\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F9fae6b2d62b43473bec7f4433af1eaee%2Fdirection_incorrect_2.png?generation=1575195503493331&amp;alt=media)\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F66d036ff9a572f55f06f2514fab99c50%2Fdirection_incorrect_3.png?generation=1575195518800483&amp;alt=media)",
      "votes": null
    },
    {
      "id": "687820",
      "postDate": "12/04/2019 22:01:03",
      "content": "<p>You are correct.  Thank you for pointing this out.  We have updated the Data tab with a correction.</p>",
      "rawMarkdown": "You are correct.  Thank you for pointing this out.  We have updated the Data tab with a correction.",
      "votes": null
    },
    {
      "id": "688077",
      "postDate": "12/05/2019 07:53:34",
      "content": "<p>That's great, thanks!</p>",
      "rawMarkdown": "That's great, thanks!",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 687820,
      "author_name": "shuddleston707",
      "author_url": "",
      "post_date": "12/04/2019 22:01:03",
      "content": "<p>You are correct.  Thank you for pointing this out.  We have updated the Data tab with a correction.</p>",
      "votes": null,
      "replies": [
        {
          "id": 688077,
          "author_name": "chewzy",
          "author_url": "",
          "post_date": "12/05/2019 07:53:34",
          "content": "<p>That's great, thanks!</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "685274": "I think the convention of direction, **Dir** is incorrectly described (increasing counter-clockwise) in the data overview.\n\nHere are some visualizations to show the comparison before (treating them as counter-clockwise) and after correction (clockwise). Arrowheads point towards the direction of motion, you can see that some motions are cranky and rather impossible (running backward) if **Dir** increases counter-clockwise. The starting position is indicated in red.\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F7e30a0648ece5ffd6484f780bbd7caf9%2Fdirection_incorrect_1.png?generation=1575195161796694&amp;alt=media)\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F9fae6b2d62b43473bec7f4433af1eaee%2Fdirection_incorrect_2.png?generation=1575195503493331&amp;alt=media)\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F1822666%2F66d036ff9a572f55f06f2514fab99c50%2Fdirection_incorrect_3.png?generation=1575195518800483&amp;alt=media)",
    "687820": "You are correct.  Thank you for pointing this out.  We have updated the Data tab with a correction.",
    "688077": "That's great, thanks!"
  },
  "source": "meta"
}