March 12, 2026 • During this final week before Primary Day in Illinois, Republican candidates are making their final pitches to voters for who is best to replace veteran U.S. Senator Dick Durbin. In ...

You’ve seen the headlines. Now let’s break them open. Sasha-Ann Simons connects you with the people behind the stories: experts, neighbors and newsmakers who shape the city we share. It’s news, ...

Quadratic regression is a classical machine learning technique to predict a single numeric value. Quadratic regression is an extension of basic linear regression. Quadratic regression can deal with ...