# gdtest_nav_icons > A data-analysis toolkit with Lucide navigation icons ## Docs ### API Reference #### Classes > Core classes - [Pipeline](reference/Pipeline.html): An ordered sequence of analysis stages - [BarChart](reference/BarChart.html): A horizontal bar chart renderer - [LineChart](reference/LineChart.html): A simple line chart renderer #### Functions > Public functions - [analyze](reference/analyze.html): Run a basic statistical analysis on numeric data - [summarize](reference/summarize.html): Produce a one-line summary string for a dataset - [transform](reference/transform.html): Apply a linear transform to every element - [plot](reference/plot.html): Produce a quick text-based plot - [load_csv](reference/load_csv.html): Load a CSV file into a list of row dicts - [save_csv](reference/save_csv.html): Save a list of row dicts to a CSV file - [export_json](reference/export_json.html): Export data as a formatted JSON file