[R] Use glm coefficients for other datasets

[Ben Bolker]

maxsilva <mmsilva3 <at> uc.cl> writes:
 
> I generated a glm logit model using a sample of a bigger set, and now I want
> to test the model with the bigger set. How can I do this? predict makes
> predictions only for a number of rows equal to the sample used. The question
> is, how can I use the coefficients of a glm with other sets than the one
> used to generate those coefficients?
> 

  Take a closer look at ?predict.glm, especially the 'newdata' argument ...