Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with two-way interactions between ...

The distribution of an arbitrary linear combination of Student-t random variables with odd degrees of freedom is derived. An easy method of expressing this distribution as a mixture of t-distributions ...

This important study used five metrics to compare the cost-effectiveness of intramural and extramural research funded by the National Institutes of Health in the United States between 2009 and 2019.

Sky News has launched a free Money newsletter, bringing the kind of content you enjoy here in the Money blog directly to your inbox. Each Friday, subscribers get exclusive money-saving tips and ...

Are you throwing away money by timing your Amazon purchases badly? If you regularly buy things on Amazon, you could save big money by using the free price tracker like CamelCamelCamel. It charts the ...