Pivot table
A pivot table is a tabular summary that groups and aggregates source data across selected row and column dimensions.
Pandas Workout: 200 exercises to make you a stronger data analyst
A pivot table is a tabular summary that organizes values by categories in rows and columns and aggregates values at their intersections.
- How it is used
- Summarizes large data frames into grids for comparing categories across many row-column combinations.
- How deep it goes
- Explains row, column, and value choices through examples, then extends aggregation and multi-index variations.
- Examples
- Uses quarterly product sales, Olympic athlete and medal records, developer salaries, and wine scores.
- What you can do after
- Apply it via pandas `pivot_table` to compare grouped measures, counts, maxima, and means.
Read how Pandas Workout: 200 exercises to make you a stronger data analyst explains pivot table →
The Well-Grounded Data Analyst
A pivot table is a summarized tabular view that groups and aggregates records across selected row and column dimensions.
- How it is used
- Reshapes grouped records into a comparison-ready table for plotting trends across years, distributors, or categorical variables.
- How deep it goes
- Demonstrates grouping, summing, unstacking, category cleanup, and filtering, but does not develop pivot-table internals.
- Examples
- Uses distributor market share by year and categorical-variable cross-tabulation as concrete analytical examples.
- What you can do after
- Apply it via pandas to aggregate records, reshape dimensions, expose category problems, and prepare comparisons for visualization.
Read how The Well-Grounded Data Analyst explains pivot table →
Related concepts
- data frameuses · A data frame is a two-dimensional tabular data structure with labeled rows and columns that can contain values of different types.
- spreadsheetuses · A spreadsheet is a grid-based document or application that organizes data in cells arranged by rows and columns and supports calculations.
- database tableuses · A database table is a relational database structure that organizes records into rows and defined columns.
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