[R] [r] regression coefficient for different factors

Greg Snow Greg.Snow at imail.org
Fri May 20 23:05:51 CEST 2011


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]]
> 
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