[R] [r] regression coefficient for different factors

[Greg Snow]

Look at the lmList function in the nlme package, it does what I think you want.

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Francesco Nutini
> Sent: Friday, May 20, 2011 3:18 AM
> To: [R] help
> Subject: [R] [r] regression coefficient for different factors
> 
> 
> Dear R-helpers,
> 
> In my dataset I have two continuous variable (A and B) and one factor.
> I'm investigating the regression between the two variables usign the
> command
> lm(A ~ B, ...)
> but now I want to know the regression coefficient (r2) of A vs. B for
> every factors.
> I know that I can obtain this information with excel, but the factor
> have 68 levels...maybe [r] have a useful command.
> 
> Thanks,
> 
> Francesco Nutini
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> 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.