how many predictors should you add in a model what is leaps for how many predictors are in step aic what is aic model what are leaps in model selection? which predictor is used in the leaps() function which functions to use to determine model selection what is the difference between aic and leaps what is leaps for model selection what is the difference between aic and leaps which is the smallest model to use for regression selection? what is leaps or aic what is leaps function what is leaps() why use aic for prediction what is leaps function used for in the model selection? what is leaps how many predictors are in the step aic what is aic model used for? what does leaps() do