Re: [R] Formula parsing and updating

2008-12-05 Thread Johannes Huesing
Charles C. Berry <[EMAIL PROTECTED]> [Fri, Dec 05, 2008 at 01:21:41AM CET]: > On Thu, 4 Dec 2008, Johannes Huesing wrote: >>> somemod$formula >> Surv(lebzeit, tot == 1) ~ sex + (alter >= 65) + diff3k + zelltyp_k_c + >>q_nuc_3k + kar_k80_g80 + stadium > > You need to give us something to reprod

Re: [R] Formula parsing and updating

2008-12-04 Thread Charles C. Berry
On Thu, 4 Dec 2008, Johannes Huesing wrote: Hi all, I can't come over a problem with formula. Suppose I have a coxmod model with the following formula: somemod$formula Surv(lebzeit, tot == 1) ~ sex + (alter >= 65) + diff3k + zelltyp_k_c + q_nuc_3k + kar_k80_g80 + stadium You need to give

[R] Formula parsing and updating

2008-12-04 Thread Johannes Huesing
Hi all, I can't come over a problem with formula. Suppose I have a coxmod model with the following formula: > somemod$formula Surv(lebzeit, tot == 1) ~ sex + (alter >= 65) + diff3k + zelltyp_k_c + q_nuc_3k + kar_k80_g80 + stadium and I want to drop the stadium explanatory variable from the m