This is a second announcement. Please forward and circulate to other interested parties. DSC 2005 will be held at the University of Washington, Seattle, August 13 & 14 2005. This is workshop on Directions in Statistical Computing, emphasizing the development of software systems and computing environments for interactive statistics. This conference follows on from the successful DSC 1999, 2001, and 2003 conferences at the Vienna University of Technology. The workshop will focus on, but is not limited to, open source statistical computing. The workshop is sponsored by the R Foundation for Statistical Computing and by the Department of Biostatistics, University of Washington. The deadline for abstracts has been EXTENDED to May 15. Abstracts submitted by the original April 15 deadline will still be reviewed by May 15. Send abstracts (one page) to dsc2005 at u.washington.edu Proceedings of the workshop will be published on line. Papers for publication in the online proceedings will be due in draft form by 1 August 2005 and in final form by 1 September 2005. Registration will be online, starting in May. The registration fee will be $250, with a substantial student discout. The conference will begin with a reception on August 12 and have scientific presentations on August 13 and 14. The workshop web page is at http://depts.washington.edu/dsc2005/ -thomas Thomas Lumley Assoc. Professor, Biostatistics tlumley at u.washington.edu University of Washington, Seattle