Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with two-way interactions between predictor variables. Standard linear regression predicts a single numeric value ...

From the political philosopher Rahel Jaeggi’s Progress and Regression, translated from the German by Robert Savage (Harvard University Press): ...

Master problem-solving with a simple, powerful 3-step approach that works across all languages and challenges.

So craft one, in clear language, about your problem. Write about why the change is needed, how things will shift and what you will feel like in the future once you’ve made your decision. Use “vivid ...

Leadership isn’t just about vision or charisma—it’s about navigating complexity, decoding resistance, and making decisions when the stakes are high and the answers aren’t obvious. Katie Best, author ...

Leaders today are facing more complexity, faster change, and higher expectations than ever. But budget cuts, approval bottlenecks, and cultural barriers can put the executive coaching that could help ...

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

Have you ever had a facepalm moment when you're troubleshooting a problem, and suddenly a cause or solution you'd overlooked becomes obvious? You sheepishly realize you'd wasted time going down the ...

It’s called mental inversion, and here’s how it works. Thinking forward is an automatic process. Cause, then effect. Input, then output. A to B. It feels logical—and normal to start with a conclusion, ...

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