[R] $

[Joerg van den Hoff]

Davis, Jacob B. wrote:
> If object is user defined is:
> 
>  
> 
> object$df.residual
> 
>  
> 
> the same thing as
> 
>  
> 
> df.residual(object)
> 
>  
> 
> This is my first time to encounter the $ sign in R, I'm new.  I'm
> reviewing "summary.glm" and in most cases it looks as though the $ is
> used to extract some characteristic/property of the object, but I'm not
> positive.
> 
>  
> 
> Thanks
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
>  
> 
> Jacob Davis
> 
> Actuarial Analyst
> 
> 
> 	[[alternative HTML version deleted]]
> 
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`$' is for list component extraction. this is really very basic and, for 
  once (I usually don't like this answer...),  looking at the very first 
pages of the very first manual, would be not so bad an idea:


http://cran.r-project.org/  --> Manuals --> An Introduction to R