By dividing (/) the running total by the sequence number, Excel returns the average of all the values from the start to the ...

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

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, ...

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 ...

PivotTables are still easier to create for anyone who prefers not to use formulas, and they excel at automatically grouping dates or handling large external datasets from sources like SQL Server or ...

Data and analytics is shifting to become a core business function, placing it among this year’s top trends according to Gartner. As organizations accelerate their digital business transformation ...

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 ...

See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package. R has a number of quick, elegant ways to join data ...