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when toggle format what by license comment
Jan 20 at 19:15 comment added Erik Ruzek (+1) Great addition and clarification, @BenP!
Jan 20 at 15:08 comment added BenP Thanks Erik for your really helpful comment. I browsed through the Stata book, which I only knew by name, it's great! One additional thought occurred which I write in another answer, because of notation difficulty in this comments.
Jan 18 at 19:38 history answered Erik Ruzek CC BY-SA 4.0