‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

Although there are many functions in the base package of R, sometimes there may not be a function that does exactly what you want. In this case, R allows users to create their own functions and call ...

NEW YORK--(BUSINESS WIRE)--Barnes & Noble, Inc. (NYSE: BKS), the world’s largest bookseller, announced today that Quamut.com (www.quamut.com), its new how-to website, now offers free video content ...