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.
of, relating to, or resembling a bull, as in strength. having to do with or marked by a continuous trend of rising prices, as of stocks: a bull market. Stock Exchange. to attempt to raise the price of. to speculate in, in expectation of a rise in price. to force; shove: to bull one's way through a crowd.