{
  "id": 182304,
  "title": "Question about target_availibilities.",
  "url": "/competitions/lyft-motion-prediction-autonomous-vehicles/discussion/182304",
  "author_name": "RaghavPrabhakar",
  "post_date": "2020-09-12T06:24:37.893000",
  "votes": 0,
  "comment_count": 3,
  "views": 0,
  "content": "<p>What does target_availibilities mean which is stored in the dataset? What's the use of it?</p>",
  "messages": [
    {
      "id": 1007460,
      "postDate": "2020-09-12T07:15:16.153Z",
      "content": "<p>the <code>target_availabilities</code> are masks that are used when calculating the loss (and finally also the neg. log-likelihood). Not all targets (ground truths) are available, e.g. an agent was no longer visible for the AV.<br>\n<code>history_availabilities</code> is the same thing for the past frames. Not all frames are available.</p>",
      "rawMarkdown": "the `target_availabilities` are masks that are used when calculating the loss (and finally also the neg. log-likelihood). Not all targets (ground truths) are available, e.g. an agent was no longer visible for the AV.\n`history_availabilities` is the same thing for the past frames. Not all frames are available.",
      "votes": 2,
      "replies": [
        {
          "id": 1008148,
          "postDate": "2020-09-12T19:24:10.883Z",
          "content": "<p><a href=\"https://www.kaggle.com/ilu000\" target=\"_blank\">@ilu000</a> thanks</p>",
          "rawMarkdown": "@ilu000 thanks"
        }
      ]
    },
    {
      "id": 1007413,
      "postDate": "2020-09-12T06:24:37.893Z",
      "content": "<p>What does target_availibilities mean which is stored in the dataset? What's the use of it?</p>",
      "rawMarkdown": "What does target_availibilities mean which is stored in the dataset? What's the use of it?"
    },
    {
      "id": 1008147,
      "postDate": "2020-09-12T19:23:42.717Z",
      "rawMarkdown": "",
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 1007460,
      "author_name": "Pascal Pfeiffer",
      "author_url": "",
      "post_date": "2020-09-12T07:15:16.153000",
      "content": "<p>the <code>target_availabilities</code> are masks that are used when calculating the loss (and finally also the neg. log-likelihood). Not all targets (ground truths) are available, e.g. an agent was no longer visible for the AV.<br>\n<code>history_availabilities</code> is the same thing for the past frames. Not all frames are available.</p>",
      "votes": 2,
      "replies": [
        {
          "id": 1008148,
          "author_name": "RaghavPrabhakar",
          "author_url": "",
          "post_date": "2020-09-12T19:24:10.883000",
          "content": "<p><a href=\"https://www.kaggle.com/ilu000\" target=\"_blank\">@ilu000</a> thanks</p>",
          "votes": 0,
          "replies": []
        }
      ]
    },
    {
      "id": 1008147,
      "author_name": "",
      "author_url": "",
      "post_date": "2020-09-12T19:23:42.717000",
      "content": "",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1007460": "the `target_availabilities` are masks that are used when calculating the loss (and finally also the neg. log-likelihood). Not all targets (ground truths) are available, e.g. an agent was no longer visible for the AV.\n`history_availabilities` is the same thing for the past frames. Not all frames are available.",
    "1007413": "What does target_availibilities mean which is stored in the dataset? What's the use of it?",
    "1008147": ""
  }
}