## load_pkg_file()


Load data from a package-bundled file into a Polars DataFrame.


Usage

``` python
load_pkg_file(
    file,
    directory="smartclass.data",
)
```


Supports TSV, CSV, and JSON file formats.


## Parameters


`file: str`  
Name of the file to load (e.g., "classes_smarts.tsv").

`directory: str = ``"smartclass.data"`  
Defaults to "smartclass.data".


## Returns


`DataFrame`  
DataFrame containing the loaded data.


## Raises


`DataLoadingError`  
If the file cannot be loaded or format is unsupported.