Re: [Fwd: R-beta: R 0.50 alpha]

Thomas Lumley (thomas@biostat.washington.edu)
Tue, 9 Dec 1997 16:40:55 -0800 (PST)


Date: Tue, 9 Dec 1997 16:40:55 -0800 (PST)
From: Thomas Lumley <thomas@biostat.washington.edu>
To: Andrea Rossetti <rossetti@stat.unipg.it>
Subject: Re: [Fwd: R-beta: R 0.50 alpha]
In-Reply-To: <348DC8C3.292C9124@stat.unipg.it>

On Tue, 9 Dec 1997, Andrea Rossetti wrote:
> > survfit( Surv(otim,sts) ~ 1,xx)
> Error in eval(frame, data)[subset, , drop = FALSE] : incorrect number of
> dimensions
> > coxph( Surv(otim,sts) ~ z1 + z2, data=xx)
> Error in eval(frame, data)[subset, , drop = FALSE] : incorrect number of
> dimensions
> 
> These problems can be fixed? Any suggestion is welcome.
> 

There is a problem with model.frame(), which was being rewritten when the
Win95 snapshot of the code was taken and doesn't quite work. The survival
library exercises model.frame() rather more than most code does. I will
try to find a temporary solution, but it may be necessary to wait for the
next edition. 

	-thomas

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