I. When the sum of the residuals is greater than zero, the data set is nonlinear. II. A random pattern of residuals supports a linear model. III. A random pattern of residuals supports a non-linear model.
bull market definition. A market, especially a stock market, characterized by rising prices; the opposite of a bear market. We can always go back to worrying; we are still in a bull market for fear.
Asker's rating. 1  A bull is someone who believes the stock market will go up and a bear is someone who believes the stock market will go down. 2  The classical definition of a bull market is a 20%+ gain in a major asset class over a time period greater than one year. 3  What Does Bear Market Mean. 4  This Site Might Help You.