On Aug 5, 2010, at 4:03 PM, Biau David wrote:
Hello,
I am modeling some survival data wih cph (Design). I have modeled a
predictor
which showed non linear effect with restricted cubic splines. I
would like to
retrieve the se(coef) for other, linear, predictors.
The cph object has a "var". The vcov function is an extractor
function. You would probably be using something like:
diag(vcov(fit))^(1/2)
This is just to make nice
LateX tables automatically.
Are you sure Frank has not already programed that for you somewhere?
Perhaps latex.cph?
I have the coefficients with coef().
How do I do that?
Thanks,
David Biau.
--
David Winsemius, MD
West Hartford, CT
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