Sam Savage is on a mission. He wants people to stop using single numbers in spreadsheets used to model financial risk and instead use a "distribution" - a range of numbers. He says that by using a ...

Have data sets scattered all over the place? Here's how to pull them into a single, robust catalog with the pointblank R package and a Quarto document. Do you have data sets scattered all over the ...

Big data is less predictable than traditional data, and therefore requires special consideration when building models. Here are some things to keep in mind. Image: iStock/z_wei Data modeling is a ...