Csv

A comprehensive spreadsheet toolkit for working with Excel (.xlsx) and CSV files. It provides guidance on creating and editing spreadsheets with formulas, formatting, and data analysis using openpyxl and pandas. Includes a recalculation script that uses LibreOffice to evaluate formulas and detect errors.

This skill automatically analyzes CSV files when uploaded, generating comprehensive statistical summaries, correlation analysis, and visualizations. It detects data types (sales, financial, customer data) and adapts its analysis accordingly, producing charts like correlation heatmaps, time-series plots, and distribution histograms.