what is f value r how to get r drop1 output what is the difference in r drop1 and aic i am using drop1 for education what model does aic mean what is the aic value of r what does r value for aic mean r output lm1 what is the model for drop 1 r what is aic value in r what does drop1 mean in r what is drop1 in r what is the aic for r drop1 example what is lm1 in r r drop1 output value how to do a drop1 in r what is the drop1 r function what is the aic value of r in education what is the iq value for f in r r output drop1