st: Heckprob and heckman commands

[gk <gkonteos@panafonet.gr>]

dear statalistes

 

in the heckman command a ���term is calculated and listed. is something analogous happening with the heckprob command. What is the procedure that the selection bias is captured with the heckprob command?

 

I am sorry if this is a silly question and I appreciate very much a hint on that issue

thank you