Use MAP and LAMBDA to build centralized, error-proof, and auto-spilling Excel spreadsheet systems.

Security firm Mandiant has released a database that allows any administrative password protected by Microsoft’s NTLM.v1 hash ...

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.

How to split a column using an IF() function in Excel Your email has been sent We all inherit Microsoft Excel sheets that don’t suit our working routine. If it’s a simple tracking sheet of some sort, ...

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 ...

What if you could unlock the full potential of Excel’s dynamic arrays within your tables, making your data management more efficient and powerful? Integrating dynamic arrays within Excel tables can be ...

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 — ...

How to turn complex formulas into easy-to-use custom functions using LAMBDA() in Excel Your email has been sent LAMBDA functions are new to Microsoft Excel. With LAMBDA functions, you can turn a ...