Understand and code the R² metric (goodness of fit) in C++. A must-know concept for evaluating regression models.

President Donald Trump and other high-ranking Republicans falsely claim Democrats forced the government shutdown fight because they want to give free health care to immigrants in the U.S. illegally.

Being fingered as a “terror entity” under Canadian law does not lead to any automatic police scrutiny, and there is no history of standalone terrorist prosecutions based solely on a terror designation ...