Beginner learning path
Go from spreadsheet user to confident analyst: clean data, query it, summarise it and report it.
Take them in order, or skip those you already know.
Turn raw spreadsheets into reliable analysis with lookups, PivotTables, Power Query and clear charts.
Course book available
Prerequisites: Basic Excel navigation (entering data, simple formulas)
Query relational databases confidently: filter, join, aggregate and build analysis-ready tables.
Prerequisites: None
Understand the statistics behind every report: summaries, sampling, confidence intervals and hypothesis tests.
Prerequisites: Secondary-school mathematics
