Hi STATA friends,

I aim to generate indicator variables regarding the interaction term c.budgetbalance15#Left_right_placement:

xi, prefix(_Y) c.budgetbalance15#i.Left_right_placement

Ultimately, I try to plot the interaction term with the grinter command. Because it doesn`t work with factor variables, I try take a way around it, including the indicator variable in the model like this:

xi: reg index_EU_support budgetbalance15 membership_length ib2.Political_discussions i.Gender Age i.Education ib2.Left_right_placement Y* i.Community i.country , vce(robust)

final step:

grinter budgetbalance15, inter(Y*) const02(i.Left_right_placement)

i.Left_right_placement is coded:
1: being politically orientated toward the left-wing,
2: being orientated politically toward the center and
3: being orientated politically toward the right-wing.

But somehow STATA doesn't recognize Y* when I try to run the regression. Does anyone have a hint for me how to create indicator varibales for the interaction c.budgetbalance15#Left_right_placement in a way I can include them in the regression?

Thank you!!!