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 ...

GQ ’s Watch Editor was checking my interest in writing a piece on the alleged popularity of a certain Casio watch among trans men. My gut reaction was dismissal. Do trans men have a cultural identity ...

You can now factor in pricing, promotions, and long-term effects as Google’s Meridian evolves into a smarter tool for budget decisions.

I've been down the smartwatch rabbit hole more times than I care to admit. I've tried Apple and Android smartwatches, fitness bands, and several other computers you can put on your wrist. They're ...

Learn how to use the High-Low Method to separate fixed and variable costs efficiently. Discover its applications, limitations, and how to calculate costs.

Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over 35 years of diverse financial management experience. He is an expert on personal finance, corporate finance ...