how to estimate interaction term with a regressor how is gamma calculated in a regression how do you calculate theta_ii what is the interaction term in the equation of the model what is the gamma_i in gamma_i when calculating theta_i in a regression model how to find gamma gamma how to estimate interaction term when calculating a model for an interaction term which model is a regressor and interaction term what is the expression of the interaction term in a gamma-gamma-interface model? which model estimates theta_i? how do you calculate the relationship between the gamma_0 equation and the gamma_2 equation? which interaction term is unknown how to estimate interaction in the model of gamma what is the interaction term in gamma_ how to figure out the interaction of the interaction term what is gamma_0 what terms does gamma_0 include what is the relationship between gamma_0 (x) and gamma_2 (x)