Simplify data analysis with Excel PivotTables. Learn how to replace formulas, uncover trends, and create dynamic reports in minutes.

As philosopher George Santayana once said, "Those who cannot learn from history are doomed to repeat it." This bit of knowledge doesn't only apply to political matters-it also applies in the business ...

The Pareto Principle, also known as the 80-20 rule, is a powerful concept that can transform your approach to data analysis. This principle states that roughly 80% of effects come from 20% of causes.