Although winning made everyone happy, the researchers found that people achieved the most happiness when their partner also won. If their partner lost, there was a noticeable dip in happiness levels.

Excel is powerful, but its formulas can get unwieldy fast. I found a way to simplify even the most bloated ones without losing functionality, and it’s been a total game-changer for my spreadsheets.

Instrumental variable tests for serial correlation can be carried out by adding lagged residuals from initial estimation to the regressors of the model under scrutiny, and then checking their joint ...

PITTSBURGH — If there’s one player on the Pittsburgh Steelers’ roster who knows the value of versatility, it’s offensive lineman Spencer Anderson. Early in his college career at Maryland, the 6-foot-5 ...

We propose a new approach to variable selection designed to control the false selection rate (FSR), defined as the proportion of uninformative variables included in selected models. The method works ...