[R] logistic regression

[Kjetil Brinchmann Halvorsen]

Taka Matzmoto wrote:
> Hi R users
> 
> I have two bianry variables (X and Y) and one continuous variable (Z).
> 
> I like to know, after controlling for the continuous variable, where one 
> of the binary is significantly related to the other binary variable 
> using logistic regression
> 
> 
> model <- glm(Y ~ X + Z, family=binomial)
> 
> Is checking the significance of the coefficient of X  a proper way for 
> doing that ?
> 
> Any suggestion for this problem ?

You could try a bivariate logistic regression. That is implemented in 
package VGAM (not on CRAN,but google will find it!).

Kjetil

> 
> Thanks
> 
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