Paul Meagher <paul at datavore.com> wrote:> > I am looking at developing a user modelling type app (new data points coming > in and wanting to dynamically update regression co-efficients for each user) > which could be viewed as a type of control problem. >Alan Miller's AS274 (in C, f77 or f90) does this -- see statlib or his home page (there are several similar routines eg AS164). It would be straightforward to write an R interface. David Duffy