# API Reference


## Functions


Public functions


[sample_scores()](sample_scores.md#gdtest_tbl_preview.sample_scores)  
Generate a student scores dataset.

[sample_inventory()](sample_inventory.md#gdtest_tbl_preview.sample_inventory)  
Generate a product inventory dataset.

[sample_wide()](sample_wide.md#gdtest_tbl_preview.sample_wide)  
Generate a wide dataset with many columns.

[sample_missing()](sample_missing.md#gdtest_tbl_preview.sample_missing)  
Generate a dataset riddled with missing values.

[sample_types()](sample_types.md#gdtest_tbl_preview.sample_types)  
Generate a dataset that exercises many Python types.