Data analytics

Stage 2 · Lesson 5 of 6

Pivot tables for exploring

Spreadsheets properly

A summarises a table for you. You drag fields (columns) into rows, columns, values and filters. You get answers like revenue by category and month, order counts by region, or average basket by channel.

It is the fastest way to explore a new dataset. It also teaches group-by thinking: split rows into groups, then summarise each group. You will use that idea in , and .

Learn to switch the summary from sum to count or average, and to show values as a percentage of the row or column total. Learn to group dates by month, and to refresh after the data changes. Always build pivots from a so new rows are included.

Common trapsumming a column that is already a percentage or an average, which produces a total that means nothing.

A question to check yourself, an AI practice session and 1 cheat sheet entry come with the full roadmap. Unlock

Resources for this stage

Start with

  • GuideFree
    Excel help and learning

    Microsoft · Beginner

    Official, accurate guides to XLOOKUP, SUMIFS, PivotTables and cleaning functions, with examples you can paste

Practise

  • Free, real datasets to practise lookups, pivots and cleaning on something bigger than a tutorial file

Keep handy

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