circular variable when to use theta in gam how to deal with a circular variable what is circular mean how to deal with circular variable is theta a circular variable? what is a circular variable which statement best describes theta how to deal with circular variables which variable represents theta in gam what is the circular variable what is circular covariates is theta a circular variable what is circular mean in gams data what is circular variable what's the circular model which of these variables represents the value of the circular variable in a model? how do i deal with circular variables what is an example of circular variable in model design? how to deal with circular models