# RE: st: marginal effects for ordered logit

 From "Nick Cox" To Subject RE: st: marginal effects for ordered logit Date Tue, 16 Nov 2004 16:15:41 -0000

```-graph odds mpg- is Stata 7 speak.

In Stata 8 you want perhaps

line odds mpg

Nick
n.j.cox@durham.ac.uk

Markiewicz, Agnieska

> I just tried your formula with stata 8 but I get a strange message
> after:

maartenbuis

> If you had Stata8 you could have used my earlier post:
>
> -twoway function y = exp(-_b[mpg]*x- _b[mpg2]*x^2), range(12 41)
> ytitle("odds") xtitle("mpg")- gives you the odds of belonging to a
> group versus all `lower' groups.
>
> now you could do something like:
>
> version 7
> sysuse auto
> gen mpg2 = mpg^2
> ologit rep78 mpg mpg2
>
> preserve
>
> drop _all
> set obs 31
> gen mpg =11 + _n
> gen odds = exp(_b[mpg]*mpg + _b[mpg2]*mpg^2)
>
> graph odds mpg, c(l)
>
> restore
>

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```