Biometrika is primarily a journal of statistics in which emphasis is placed on papers containing original theoretical contributions of direct or potential value in applications. From time to time, ...

In this article, the saddlepoint approximations to the density and tail probability of a ratio of quadratic forms in normal variables are derived. A numerical exposition via the Durbin-Watson test ...

Normalization is one of the commandments of IT database pros, whether you are a data modeler, DBA, or SQL developer. Arthur Fuller defines each normal form and explores why most database designers ...