how to compare three logistic regression models how to find model performance for a logistic regression how many variables should in aic be in a model select? aic how much data what is the aic for model selection? can i use all variables in the aic model what should be included in the model selection can a logistical model be used with all explanatory variables why use aic how do you select a logistic model what is the best approach to aIC in logistic regression? how to do aic model selection why should a model be selected from the beginning how to compare all the three models with the same aic why do i need aic when designing a model how can i test my models in logistic regression what is the w model used for in a logistic regression model what is the difference between aic and regression model does aic include all dependent variable in a model what aic does a logistic regression use