?summary.lm
-Roy
On Apr 4, 2012, at 4:47 PM, John Sorkin wrote:
> Please forgive my re-sending this question. I did not see any replies from my
> prior post. My apologies if I missed something.
>
> Is the sigma from a lm, i.e.
>
> fit1 <- lm(y~x)
> summary(fit1)
> summary(fit1)$sigma
>
> the RMSE (root mean square error)
>
> Thanks,
> John
>
> John David Sorkin M.D., Ph.D.
> Chief, Biostatistics and Informatics
> University of Maryland School of Medicine Division of Gerontology
> Baltimore VA Medical Center
> 10 North Greene Street
> GRECC (BT/18/GR)
> Baltimore, MD 21201-1524
> (Phone) 410-605-7119
> (Fax) 410-605-7913 (Please call phone number above prior to faxing)
>
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