# API Reference


## Classes


Core classes


[Pipeline](Pipeline.md#gdtest_nav_icons.Pipeline)  
An ordered sequence of analysis stages.

[BarChart](BarChart.md#gdtest_nav_icons.BarChart)  
A horizontal bar chart renderer.

[LineChart](LineChart.md#gdtest_nav_icons.LineChart)  
A simple line chart renderer.


## Functions


Public functions


[analyze()](analyze.md#gdtest_nav_icons.analyze)  
Run a basic statistical analysis on numeric data.

[summarize()](summarize.md#gdtest_nav_icons.summarize)  
Produce a one-line summary string for a dataset.

[transform()](transform.md#gdtest_nav_icons.transform)  
Apply a linear transform to every element.

[plot()](plot.md#gdtest_nav_icons.plot)  
Produce a quick text-based plot.

[load_csv()](load_csv.md#gdtest_nav_icons.load_csv)  
Load a CSV file into a list of row dicts.

[save_csv()](save_csv.md#gdtest_nav_icons.save_csv)  
Save a list of row dicts to a CSV file.

[export_json()](export_json.md#gdtest_nav_icons.export_json)  
Export data as a formatted JSON file.