[R] GLM plotting estimated responses

Chuck Cleland ccleland at optonline.net
Thu Jun 22 17:30:26 CEST 2006


Davis, Jacob B. wrote:
> I have recently fit a binomial link = logit model and I want to visually
> see the estimated response across a specific covariate.
> 
>  
> 
> I can accomplish this by creating a function that extracts the betas
> from the model then forms a linear combination with the classes I'm
> interested in next pass the value through the inverse logit function, do
> this for each class in a covariate, then plot the results.
> 
>  
> 
> My question is:  Is there a built in function that will do all of this
> for me, where all I have to do is supply the classes for each covariate
> I'm interested in and it plots for me?
> 

Have a look at the following:

?predict
?all.effects in library(effects)
?effect in library(effects)

> On a similar note is there a quick way to plot the study size across a
> covariate from model results, without creating my own functions?
> 
>  
> 
> Thanks in advance,
> 
>  
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
>  
> 
> Jacob Davis
> 
> Actuarial Analyst
> 
>  
> 
>  
> 
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Chuck Cleland, Ph.D.
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