I use these functions to summarize data with formulas instead of dialog boxes. That makes it easier to see exactly what's ...

One of the most underused lookup and reference functions in Microsoft Excel is the DROP function. This powerful yet simple ...

A nested table is one table placed inside of another, where the larger table functions as a container for the smaller one. Nested tables are a way for you to organize objects, such as images or text, ...

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant — ...