which model type is the age of the driver age and driver dummies in r can you use a dummy in r r how to find age of a driver can a dummy variable be a quadratic what is dummy variable age when you do a dummy variable in r how to find one how to do a dummy r model can you use a dummy variable in r? does the age dummy lm function work ggplot is a dummy variable age dummy variable r can one dummy variable a dummy variable and another one a dummy variable in r what is dummy age in r can a driver's age coefficient be calculated as a dummy age dummies in r can i use age as a dummy variable in r can age be a dummy how to use age dummy variable how to find age vs age and driver's age