
Hello,

 Seeking a way to get the variance inflation factor VIF for a model of regression in complex survey, I have understood that without this package (SURVEY) RGui VIF obtained as follows:

fit <- lm(mpg~disp+hp+wt+drat, data=mtcars)
 				
vif(fit)

But I want to know if survey, Vif is obtained so

vif( svyglm(api00~ell+meals+mobility, design=dstrat))

Thank you, happy day
 		 	   		  
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