[Limdep Nlogit List] Prediction in ordered probit model

Steven Yen syen at utk.edu
Thu Oct 11 08:03:52 EST 2007


Professor Green:
Thanks! That was very useful.
Steven Yen

At 08:01 PM 10/9/2007, you wrote:
>The two possibilities are (1) as listed below and (2) the
>index of the cell with the largest estimated probability.
>I suspect these would give similar if not identical answers,
>but I've never actually checked it.
>/Bill Greene
>----- Original Message -----
>From: "Steven Yen" <syen at utk.edu>
>To: "Limdep and Nlogit Mailing List" <limdep at limdep.itls.usyd.edu.au>
>Sent: Tuesday, October 9, 2007 12:02:16 PM (GMT-0500) America/New_York
>Subject: [Limdep Nlogit List] Prediction in ordered probit model
>
>How is prediction done in order probit (or logit) model?
>Specifically, how do you determine the ordinal outcome from the
>predicted linear index? The ordered probit model is characterized by
>
>      y = j if mu_(j-1) <= x'b + u < mu_j
>
>Upon estimation, do you simply determine the y outcome by
>
>      y = j if muhat_(j-1) <= x'bhat < muhat_j
>
>Thank you.
>--
>Professor William Greene
>Department of Economics
>Stern School of Business
>New York University
>44 West 4th St., Rm. 7-78
>New York, NY   10012
>http://www.stern.nyu.edu/~wgreene
>212.998.0876
>
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Steven T. Yen
http://web.utk.edu/~syen/
Check out our postdoc opening at:
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