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 ...

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

Ashlee is an insurance editor, journalist and business professional with an MBA and more than 17 years of hands-on experience in both business and personal finance. She is passionate about empowering ...

Learn foundational steps to turn your ideas into a real business—including research, creating a plan and selecting the best structure for your goals. If you like to learn by flipping real pages and ...

We're only one week into the 2025 NFL season, and it already feels like some obvious buyers and sellers should be eyeing the trade markets. A single poor performance in Week 1 doesn't doom a team's ...

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Get a great machine for cheap with our top-rated picks for budget laptops all costing $1,000 or less. There’s a lot of junk on the market — these are the best smart frames that are worth your money.