Create Dynamic Excel Data Validation Lists Using Table Spill Ranges

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
JournalofAccountancy

Using Excel’s What-If Analysis with Data Table for data analysis

Q. You explained Excel’s Scenario Manager in your November 2024 Tech Q&A article and Goal Seek in your December 2024 Tech Q&A article. Can you please explain the final What-If Analysis tool: Data ...
TechRepublic

Four ways to specify dates using Excel data validation

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...
TechRepublic

How to combine values from a column into a single cell using Microsoft Excel’s Power Query

How to combine values from a column into a single cell using Microsoft Excel’s Power Query Your email has been sent The article How to concatenate values in a single Excel column to a single row shows ...
InfoWorld

How to use .SD in the R data.table package

For some data.table users, “dot-SD” is a bit of a mystery. But data.table creator Matt Dowle told me that it’s actually quite simple: Just think of it as a symbol representing “each group.” Let’s go ...