model reduction

  1. Q

    AIC models

    Hello, If I have a model with an aic of 8765 and another model reduced with two variables less with an aic of 8823. Can I accept the reduced model with the AIC of 8823? What is the difference between the two AICs that should not be exceeded? Thank you
  2. I

    Model reduction justified?

    Hi! I'm working with cox proportional hazard models in R and I'm trying to find the minimum model. I have a very simple question but I cannot find a direct answer:). These are the models and the result of the anova: anova(model1,model2) Analysis of Deviance Table Cox model: response is...