Dear R users
I have two questions, I have been on this problem for last 3 months, please
help

First question:

*How can I use the lmer function for a three level probit ( ie please help
me with the command syntax)?*

The second question is,

*how can I then subsequently calculate the Inverse Mills ratio after the
above probit is calculated using lmer?* Is there any other way (if lmer does
not do this) to get IMR of a 3 level probit

Kindly help
Thanks
Saurav

-- 
Dr.Saurav Pathak
PhD, Univ.of.Florida
Mechanical Engineering
Doctoral Student
Innovation and Entrepreneurship
Imperial College Business School
s.pathak08@imperial.ac.uk
0044-7795321121

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