“REMP professionals who create their site’s AREOR know how long it takes to generate data summary tables. Every year I spent around one to two weeks manipulating data in Excel spreadsheets ...

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.” ...

“REMP professionals who create their site’s AREOR know how long it takes to generate data summary tables. Every year I spent around one to two weeks manipulating data in Excel spreadsheets creating ...