[R--gR] Modelformulae: reference?
By the way, does anyone know an authoritative reference for the usual "model algebra", originating (I presume) with Nelder and Wilkinson and forming the basis for GLIM model specification and analysis? Regards Steffen -- Steffen L. Lauritzen Department of Statistics, University of Oxford 1 South Parks Road, Oxford OX1 3TG, United Kingdom Tel: +44 1865 272877; Fax: +44 1865 272595 email: steffen at stats.ox.ac.uk URL: www.stats.ox.ac.uk/~steffen/