Understand Pivot Tables
PivotTables summarize, analyze, and explore data, revealing patterns and trends. Key parts: Rows (categories down), Columns (across), Values (aggregated numbers like SUM/COUNT), Filters (narrow focus).
Prepare Sample Data
- Download a sample dataset: Office Supply Orders (452 rows: Date, Color, Units, Sales, Region).
- Open in Excel/Google Sheets.
- Ensure: Columns with unique headers, no merged cells, no blank rows/headers.
- Select data > Insert > Table (Excel) or format as table for dynamic range.
Tip: Clean data first—remove duplicates, fix formats.