{
  "id": 72901,
  "title": "nan first_active_month in test dataset",
  "url": "/competitions/elo-merchant-category-recommendation/discussion/72901",
  "author_name": "",
  "post_date": "2018-11-28T07:16:16.660936200Z",
  "votes": 1,
  "comment_count": 4,
  "views": 0,
  "content": "<p>it looks like card id C_ID_c27b4f80f7 is missing first_active_month.. does it mean the card is still inactive? </p>",
  "messages": [
    {
      "id": "428985",
      "postDate": "11/28/2018 07:16:16",
      "content": "<p>it looks like card id C_ID_c27b4f80f7 is missing first_active_month.. does it mean the card is still inactive? </p>",
      "rawMarkdown": "it looks like card id C\\_ID\\_c27b4f80f7 is missing first\\_active\\_month.. does it mean the card is still inactive?",
      "votes": null
    },
    {
      "id": "429269",
      "postDate": "11/28/2018 15:53:06",
      "content": "<p>Probably not. You can check the transactions made by this card and see the oldest one to get an idea about the first month of activity.</p>",
      "rawMarkdown": "Probably not. You can check the transactions made by this card and see the oldest one to get an idea about the first month of activity.",
      "votes": null
    },
    {
      "id": "429319",
      "postDate": "11/28/2018 17:21:14",
      "content": "<p>I see... it is dirtiness in the data...if this is the case then I'll also check that first_active_month is not after the first transaction. </p>",
      "rawMarkdown": "I see... it is dirtiness in the data...if this is the case then I'll also check that first\\_active\\_month is not after the first transaction.",
      "votes": null
    },
    {
      "id": "429669",
      "postDate": "11/29/2018 06:48:53",
      "content": "<p>done my checks and in the training dataset I found 5429 card_id with first_active_month after first purchase_date (from historical_transactions). Examples : C_ID_bb8dedf426, C_ID_a8ad576b32, C_ID_3814ea6382 ... am I missing something here? </p>",
      "rawMarkdown": "done my checks and in the training dataset I found 5429 card_id with first\\_active\\_month after first purchase\\_date (from historical\\_transactions). Examples : C\\_ID\\_bb8dedf426, C\\_ID\\_a8ad576b32, C\\_ID\\_3814ea6382 ... am I missing something here?",
      "votes": null
    },
    {
      "id": "429676",
      "postDate": "11/29/2018 07:02:34",
      "content": "<p>filtering on authorized_flag == 'Y' dropped to 518 ...still puzzled...</p>",
      "rawMarkdown": "filtering on authorized_flag == 'Y' dropped to 518 ...still puzzled...",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 429269,
      "author_name": "theoviel",
      "author_url": "",
      "post_date": "11/28/2018 15:53:06",
      "content": "<p>Probably not. You can check the transactions made by this card and see the oldest one to get an idea about the first month of activity.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 429319,
      "author_name": "njean78",
      "author_url": "",
      "post_date": "11/28/2018 17:21:14",
      "content": "<p>I see... it is dirtiness in the data...if this is the case then I'll also check that first_active_month is not after the first transaction. </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 429669,
      "author_name": "njean78",
      "author_url": "",
      "post_date": "11/29/2018 06:48:53",
      "content": "<p>done my checks and in the training dataset I found 5429 card_id with first_active_month after first purchase_date (from historical_transactions). Examples : C_ID_bb8dedf426, C_ID_a8ad576b32, C_ID_3814ea6382 ... am I missing something here? </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 429676,
      "author_name": "njean78",
      "author_url": "",
      "post_date": "11/29/2018 07:02:34",
      "content": "<p>filtering on authorized_flag == 'Y' dropped to 518 ...still puzzled...</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "428985": "it looks like card id C\\_ID\\_c27b4f80f7 is missing first\\_active\\_month.. does it mean the card is still inactive?",
    "429269": "Probably not. You can check the transactions made by this card and see the oldest one to get an idea about the first month of activity.",
    "429319": "I see... it is dirtiness in the data...if this is the case then I'll also check that first\\_active\\_month is not after the first transaction.",
    "429669": "done my checks and in the training dataset I found 5429 card_id with first\\_active\\_month after first purchase\\_date (from historical\\_transactions). Examples : C\\_ID\\_bb8dedf426, C\\_ID\\_a8ad576b32, C\\_ID\\_3814ea6382 ... am I missing something here?",
    "429676": "filtering on authorized_flag == 'Y' dropped to 518 ...still puzzled..."
  },
  "source": "meta"
}