Hi all, I've just seen that a book, Implementing Reproducible Research, edited by V. Stodden, F. Leisch and R. Peng is coming out next year from CRC. I was wondering if anyone has written a chapter presenting org for it. Any clue? Christophe -- A Master Carpenter has many tools and is expert with most of them. If you only know how to use a hammer, every problem starts to look like a nail. Stay away from that trap. Richard B Johnson. -- Christophe Pouzat MAP5 - Mathématiques Appliquées à Paris 5 CNRS UMR 8145 45, rue des Saints-Pères 75006 PARIS France tel: +33142863828 mobile: +33662941034 web: http://xtof.disque.math.cnrs.fr