Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

Excel's UNIQUE function is the modern, non-destructive answer to the mailing list problem. Instead of deleting rows from your ...

Whether you're interviewing for an Excel-related job or teaching a beginner, using the right terminology is crucial. Above all else, knowing the difference between a range and an array is the key to ...

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 ...

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 ...

A well-designed trust can help save time, paperwork and other headaches when settling an estate. Many, or all, of the products featured on this page are from our advertising partners who compensate us ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...