Interaction In Stata. An interaction contrast allows you to apply contrast coefficients to both of the terms in a two way interaction. The intercept or the predicted outcome when x 0 and w 0.
But of course we cannot cover every possible method that is included in the contrast command. We could choose to omit the first level of both a and b the a1 and b1 columns of x and the columns corresponding to a b that match up with those selections in this case the. General interactions between continuous covariates in observational studiescovariates in observational studies focus on continuous covariates.
Reg wage grade i race racexeduc.
The intercept or the predicted outcome when x 0 and w 0. I am not an expert on factor variables. We could choose to omit the first level of both a and b the a1 and b1 columns of x and the columns corresponding to a b that match up with those selections in this case the. The categorical variable is female a zero one variable with females coded as one therefore male is the reference group.
