Dummy variable - Empty

[Teiren Mistry]

Hi, would appreciate any help.

I have a dummy variable for in my regression that has 40/339 observations. However, it comes up as empty when I run the regression. is this because it doesn't have enough observations?

[Dirk Enzmann]

Instead of rephrasing your question starting a new topic, you should try to follow the advice already given in your original post https://www.statalist.org/forums/for...dummy-variable .