{
  "id": 235733,
  "title": "How many new waypoints in test set?",
  "url": "/competitions/indoor-location-navigation/discussion/235733",
  "author_name": "tomoo inubushi",
  "post_date": "2021-05-01T01:20:35.262000",
  "votes": 4,
  "comment_count": 0,
  "views": 0,
  "content": "<p>I think many people are amazed with the efficacy of <a href=\"https://www.kaggle.com/robikscube/indoor-navigation-snap-to-grid-post-processing\" target=\"_blank\">snap-to-grid post processing</a>.</p>\n<p>Related to this technique, I wonder whether we can estimate the number and/or location of new waypoints in test set. I found <a href=\"https://www.kaggle.com/kokitanisaka\" target=\"_blank\">@kokitanisaka</a> <a href=\"https://www.kaggle.com/kokitanisaka/more-possible-positions-in-the-buildings\" target=\"_blank\">tried some technique, but not worked well</a>. Does anyone try other ways?</p>\n<p>As the total number of waypoints in test set is 10,133, while that of train set is 75,285 in test sites, I can infer the number of new waypoints would be 13% of train waypoints. However, I am not sure about it, because the distributions of the number of waypoints for each path are different between train and test set (test set contains more paths with many waypoints).</p>",
  "messages": [
    {
      "id": 1289440,
      "postDate": "2021-05-01T01:20:35.263Z",
      "content": "<p>I think many people are amazed with the efficacy of <a href=\"https://www.kaggle.com/robikscube/indoor-navigation-snap-to-grid-post-processing\" target=\"_blank\">snap-to-grid post processing</a>.</p>\n<p>Related to this technique, I wonder whether we can estimate the number and/or location of new waypoints in test set. I found <a href=\"https://www.kaggle.com/kokitanisaka\" target=\"_blank\">@kokitanisaka</a> <a href=\"https://www.kaggle.com/kokitanisaka/more-possible-positions-in-the-buildings\" target=\"_blank\">tried some technique, but not worked well</a>. Does anyone try other ways?</p>\n<p>As the total number of waypoints in test set is 10,133, while that of train set is 75,285 in test sites, I can infer the number of new waypoints would be 13% of train waypoints. However, I am not sure about it, because the distributions of the number of waypoints for each path are different between train and test set (test set contains more paths with many waypoints).</p>",
      "rawMarkdown": "I think many people are amazed with the efficacy of [snap-to-grid post processing](https://www.kaggle.com/robikscube/indoor-navigation-snap-to-grid-post-processing).\n\nRelated to this technique, I wonder whether we can estimate the number and/or location of new waypoints in test set. I found @kokitanisaka [tried some technique, but not worked well](https://www.kaggle.com/kokitanisaka/more-possible-positions-in-the-buildings). Does anyone try other ways?\n\nAs the total number of waypoints in test set is 10,133, while that of train set is 75,285 in test sites, I can infer the number of new waypoints would be 13% of train waypoints. However, I am not sure about it, because the distributions of the number of waypoints for each path are different between train and test set (test set contains more paths with many waypoints).",
      "votes": 4
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "1289440": "I think many people are amazed with the efficacy of [snap-to-grid post processing](https://www.kaggle.com/robikscube/indoor-navigation-snap-to-grid-post-processing).\n\nRelated to this technique, I wonder whether we can estimate the number and/or location of new waypoints in test set. I found @kokitanisaka [tried some technique, but not worked well](https://www.kaggle.com/kokitanisaka/more-possible-positions-in-the-buildings). Does anyone try other ways?\n\nAs the total number of waypoints in test set is 10,133, while that of train set is 75,285 in test sites, I can infer the number of new waypoints would be 13% of train waypoints. However, I am not sure about it, because the distributions of the number of waypoints for each path are different between train and test set (test set contains more paths with many waypoints)."
  }
}