Overview Excel remains a core tool for data analysts, and a small set of functions can handle most tasks related to lookups, ...

Have you ever found yourself staring at an Excel spreadsheet, trying to figure out how to make sense of all the numbers and data? Maybe you’ve spent hours manually calculating groups, splitting dates, ...

Have you ever found yourself tangled in a web of complex Excel formulas, trying to make sense of sprawling datasets with traditional functions like SUMIFS? Many of us have been there, struggling with ...

The most useful Excel date functions handle everyday workflows like countdowns, working days, and month-based planning ...

Forbes contributors publish independent expert analyses and insights. Mark Cohen covers the global legal industry and business reinvention. Digital business runs on data. It is a multidimensional ...

Note the column name, mpg, is unquoted. That feature hasn’t been handy, though, if you want to write your own R functions using the tidyverse. That’s because base R functions usually need quoted ...

In the past two columns, we’ve looked at higher-order functions and talked a little bit about the power of functional programming. So far, the concepts we’ve covered do little to indicate how powerful ...