[R] qustion-binomial Ancova

[Ben Bolker]

רננה לביא <renana.zeckbach <at> mail.huji.ac.il> writes:

> 
> if I have binomial Ancova like:
> model<-glm(y~treatment*x, binomial)
> summary(model)
> how should I understand the output?
> I want to know if I have interaction between the treatments and if the
> regression is significant?
> should I write:
> summary(aov(model))
> or:
> summary(glm(model))?
> every summary give different answers.
> thanks!
> 

  summary(model)  is probably what you want.  Neither summary(aov(model))
nor summary(glm(model)) makes much sense -- 'model' already contains
the results of fitting the statistical model.
  In general, giving a more detailed example will get you better
answers.
  
  Ben Bolker