-graph odds mpg- is Stata 7 speak.
In Stata 8 you want perhaps
line odds mpg
Nick
[email protected]
Markiewicz, Agnieska
> I just tried your formula with stata 8 but I get a strange message
> after:
> global_g.new: class member function not found
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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