Clean, combine, and automate with code.

Use Python and pandas to clean records, combine exports, match tables, and build repeatable reports. Work through small datasets with copyable code and expected results.

These tutorials cover practical data work as well as mathematics and statistics. Start with a specific question, keep the original records, and check the result on a small example before applying the method to a larger dataset.

Return to Data Insights to explore related spreadsheet and data-processing guides.

Several data tables combined through a code panel into a report.
A repeatable data workflow connects tables, code, and a clear result.Credit: MathBlog