In the common non-parametric regression model the problem of testing for the parametric form of the conditional variance is considered. A stochastic process based on the difference between the ...

Matthew Yglesias waxes rhapsodic about being on the "back half of the chessboard" in terms of the exponential growth of computer technologies. The point of this, in terms of technological progress, is ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Catherine Falls Commercial/Getty Images Linear regression is a type ...