Part 8: Data Manipulation in Grouping and Aggregation
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Last Updated on March 11, 2026 by Editorial Team Author(s): Raj kumar Originally published on Towards AI. Every business decision starts with a question. What are our total sales by region? Which product categories generate the most revenue? How do customer segments compare in profitability? These questions all share something in common: they require grouping data and calculating aggregates. Grouping and aggregation are the backbone of business intelligence. They transform raw transactions into
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