Re: [R] sas retain statement in R or fitting differene equations in NLS

On 08-03-2012, at 14:50, Journals wrote: > I wish to fit a dynamical model in R and I am running in a problem that > requires some of your wisdom to solve. For SAS users I am searching for > the equivalent of the */retain/ *statement. > > For people that want to read complicated explanations t

[R] sas retain statement in R or fitting differene equations in NLS

I wish to fit a dynamical model in R and I am running in a problem that requires some of your wisdom to solve. For SAS users I am searching for the equivalent of the */retain/ *statement. For people that want to read complicated explanations to help me: I have a system of two equations written