The adjusted r-squared is helpful for multiple regression and corrects for erroneous regression, giving you a more accurate ...

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

My dadu, my father’s father, was bipolar: he had long periods of deep depression, when he would barely move or talk, followed by short highs when he had the irrepressible energy of a five-year-old.