[R] matrix with standard errors of lm model

[Bert Gunter]

Perhaps

?vcov

is what you are looking for.

-- Bert

On Thu, Aug 8, 2013 at 10:37 AM, iza.ch1 <iza.ch1 at op.pl> wrote:
> Hi
>
> Can someone give me a hint on how to create a matrix with standard errors from lm model? I have already managed to get the matrix with coefficients:
>
> coef<-as.data.frame(sapply(seq_len(ncol(es.w)),function( i) {x1<- summary(lm(es.w[,i]~es.median[,i]));x1$coef[,1]}))
>
> but I can't get the one like this for standard errors. I do regression for each column.
>
>
> Thanks a lot :)
>
> ______________________________________________
> R-help at 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.



-- 

Bert Gunter
Genentech Nonclinical Biostatistics

Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm