Messy Excel formulas are more than just an eyesore—they're harder to maintain. Every repeated cell reference and tangled ...

Productivity apps are great. They help you stay on track, manage tasks, and deal with the overwhelming flow of information that life might throw at you. That said, they're also getting increasingly ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

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 ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...