Linear regression in 25 seconds

Andrew Demchenko on Instagram: "1️⃣ In 1986, Brian Tracy, an efficiency consultant, first shared a formula with Harvard students that he called the “Universal Equation of Results.” It explained how to solve any problem in half an hour. A few years later, the formula was removed from lectures—it was too simple for the system not to fear it. 2️⃣ The core idea was in four steps: R=(W×C)÷T. Where R is the Result, W is the clarity of the goal (what exactly you want), C is Concentration, and T is the