I'm also curious how to use glmnet with survfit -- specifically, for use with interval regression (which, under the hood, is implemented using survfit). Can you show how you converted your Surv object formula to a design matrix for use with glmnet?
Thanks, -Aaron On Sun, Dec 8, 2013 at 12:45 AM, Jieyue Li <jieyuel...@gmail.com> wrote: > Dear All, > > I want to generate survival curve with cox model but I want to estimate the > coefficients using glmnet. However, I also want to include a strata() term > in the model. Could anyone please tell me how to have this strata() effect > in the model in glmnet? I tried converting a formula with strata() to a > design matrix and feeding to glmnet, but glmnet just treats the strata() > term with one independent variable... > > I know that if there is no such strata(), I can estimate coefficients from > glmnet and use "...init=selectedBeta,iter=0)" in the coxph. Please advise > me or also correct me if I'm wrong. > > Thank you very much! > > Best, > > Jieyue > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
