{
  "id": 386414,
  "title": "Be careful with \"page\" column!",
  "url": "/competitions/predict-student-performance-from-game-play/discussion/386414",
  "author_name": "empty",
  "post_date": "2023-02-13T01:17:39.086000",
  "votes": 12,
  "comment_count": 0,
  "views": 0,
  "content": "<p>We have different types of \"page\" column in training data and test data by deafult <strong>if we use polars</strong>. Be sure to preprocess them right!</p>\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2F80de14a9f7f44554ac7f34ef6467b92c%2FScreenshot%20from%202023-02-13%2004-14-12.png?generation=1676250900163098&amp;alt=media\" alt=\"\"></p>\n<p>Meanwhile there is no such problem in <strong>pandas</strong><br>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2Fc622078adbe4ba92b4d584f45ffd5a85%2FScreenshot%20from%202023-02-13%2004-44-33.png?generation=1676252686628717&amp;alt=media\" alt=\"\"></p>",
  "messages": [
    {
      "id": 2141645,
      "postDate": "2023-02-13T01:17:39.087Z",
      "content": "<p>We have different types of \"page\" column in training data and test data by deafult <strong>if we use polars</strong>. Be sure to preprocess them right!</p>\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2F80de14a9f7f44554ac7f34ef6467b92c%2FScreenshot%20from%202023-02-13%2004-14-12.png?generation=1676250900163098&amp;alt=media\" alt=\"\"></p>\n<p>Meanwhile there is no such problem in <strong>pandas</strong><br>\n<img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2Fc622078adbe4ba92b4d584f45ffd5a85%2FScreenshot%20from%202023-02-13%2004-44-33.png?generation=1676252686628717&amp;alt=media\" alt=\"\"></p>",
      "rawMarkdown": "We have different types of \"page\" column in training data and test data by deafult **if we use polars**. Be sure to preprocess them right!\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2F80de14a9f7f44554ac7f34ef6467b92c%2FScreenshot%20from%202023-02-13%2004-14-12.png?generation=1676250900163098&alt=media)\n\nMeanwhile there is no such problem in **pandas**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2Fc622078adbe4ba92b4d584f45ffd5a85%2FScreenshot%20from%202023-02-13%2004-44-33.png?generation=1676252686628717&alt=media)",
      "votes": 11
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "2141645": "We have different types of \"page\" column in training data and test data by deafult **if we use polars**. Be sure to preprocess them right!\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2F80de14a9f7f44554ac7f34ef6467b92c%2FScreenshot%20from%202023-02-13%2004-14-12.png?generation=1676250900163098&alt=media)\n\nMeanwhile there is no such problem in **pandas**\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F911838%2Fc622078adbe4ba92b4d584f45ffd5a85%2FScreenshot%20from%202023-02-13%2004-44-33.png?generation=1676252686628717&alt=media)"
  }
}