FIGURE 3.
Similar triangles formed from a point on a ROC curve displaying that the ratio of radii extending from the (0,1) point, r2 to r1, is equal to one minus the height of the curve from the diagonal or chance line, d = q(c)−(1−p(c)).
Similar triangles formed from a point on a ROC curve displaying that the ratio of radii extending from the (0,1) point, r2 to r1, is equal to one minus the height of the curve from the diagonal or chance line, d = q(c)−(1−p(c)).