this review provides the basic principle and rational for roc analysis of rating and continuous diagnostic test results versus a gold standard. derived indexes of accuracy, in particular area under the curve (auc) has a meaningful interpretation for disease classification from healthy subjects. the methods of estimate of auc and its testing in single diagnostic test and also comparative studies...

\follow" the lead of the three-segment kinematic system. By formulating the motion of the system in terms of a connection, we can clearly highlight the important factors which contribute to the serpentine locomotion. Using sinusoidal inputs which are phase-delayed down the length of the snake robot, we were able to simulate various possible gaits, including a serpentine gait characterized by ne...

Blanchflower and Oswald (1994) have argued that, in regional data, the level of unemployment is related to the fevel of wages. This result is at variance with an application of the original Phillips curve to regional data, which would predict that the change in wages ought to be related to the unemployment rate. On the other hand, there is considerable empirical support for the expectations-aug...