[R] questions on bootstrap

[Frank E Harrell Jr]

Caterina Barillari wrote:
> Hi,
> 
> I would like to know:
> 
> 1)  if there is a way of getting an R-squared value for a bootstrap 
> crossvalidation. 
> 2) how I can get the total residual standard error  for a bootstraped model.
> 
> Thanks,
> 
> Caterina

Install the Design and Hmisc packages and look at documentation for ols 
and validate.ols.

-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University