If you did as the posting guide asked and not send HTML your message
might actually be readable. But I see no sign of the 'commented,
minimal, self-contained, reproducible' example.
The issue is most likely the starting values. See ?polr for how to
specify others (and it sounds like you can
Hi all, I'm trying to estimate an ordered probit model using polr: polr(Rating
~ Currac + Debt + Inflation + GDPpc + GDPgr + Ratio + Levelofdev + Eurozone +
Default, method ="probit") where Rating is an ordered discrete dependent
variable and the independent variables are a set of economic deter
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