search for: reperesenting

Hi everyone, Does the selfstart function SSlogis of the "nlme" library allows the introduction of time varying covariates ? For example how can I interpret the xmid parameter (reperesenting the age at which we reach the half of the asymptote) if I want to explain it by a some time varying covariate? Thanks in adavance, Abderrahim Abderrahim Oulhaj, Phd in Statistics Oxford University Department of Pharmacology Mansfield Road Oxford OX1 3QT Tel: +44 1865 224098 Fax: +44 1865 22409...

This isn''t even close to ready for release, but in case anybody is interested, has feedback, finds it useful as is, or even wants to collaborate... I''ve been working on a "personal information server", something of a protocol multiplexer. Right now it serves calendar feeds for: - a local calendar folder (iCal 1.x''s Library/Calendars) - rss for local todos