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.
THIS BULL MARKET IS OLD & GRAYINGâ¦ AS IT IS ALREADY LONG IN THE TOOTH. Based upon stock market history since 1929, the current STOCKS BULL is getting quite old. Below is an accounting of all BULL MARKETS since 1929. For the sake of clarity, a BULL MARKET is defined by the S&P500 Rising at least 20%.