[R] extracting the standard error in lrm

[Dimitris Rizopoulos]

well, you can directly use the coef() and vcov() generics, e.g.,

library(rms)
y <- rbinom(100, 1, 0.5)
x <- runif(100, -3, 3)

Fit <- lrm(y ~ x)
Fit
coef(Fit)
sqrt(diag(vcov(Fit)))


I hope it helps.

Best,
Dimitris


On 8/11/2010 12:56 PM, david dav wrote:
> Hi,
> I would like to extract the coefficients of a logistic regression
> (estimates and standard error as well) in lrm as in glm with
>
> summary(fit.glm)$coef
>
> Thanks
> David
>
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-- 
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center

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