Can you please explain the final What-If Analysis tool: Data Table? A. Microsoft Excel’s What-If Analysis is a powerful feature that allows you to explore various scenarios and outcomes by modifying ...

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.” ...

and the speedy data.table package. R has a number of quick, elegant ways to join data frames by a common column. I’d like to show you three of them: Includes R scripts, several data files ...

Save guides, add subjects and pick up where you left off with your BBC account. A data table is a table that is used to display information about different things. It can show pictures (in a ...