Berry and Feldman provide a systematic treatment of many of the major problems encountered in using regression analysis. The authors discuss: the consequences of violating the assumptions of the regression model; procedures for detecting when such violations occur; and strategies for dealing with th[...]
In the 16th century, when explorers travelled deep into the jungles of South America in search of gold and spices, they brought back many colourful tales of their adventures. None of these tales was more astonishing, or caused more concern, than that of the mystical properties of the substance with [...]