This competition provides three files, described as follows:

## Files
*   **train.csv** - The training data for training the model, with a total of 22,031 entries. Please refer to the explanation below for column descriptions.
*   **test.csv** - The test data consists of approximately 9,443 entries, of which 4,773 are for the Public leaderboard, and 4,670 are for the Private leaderboard.
*   **sample_submission.csv** - A sample submission file in the correct format.

## Columns
*   `index` - The serial number of the comment.
*   `name` - The nickname of the customer on Google Play.
*   `score` - The rating score.
*   `dtm` - The time of the comment.
*   `text` - The content of the comment.
*   `app_name` - The name of the app.