Displaying 1 result from an estimated 1 matches for "not_reliable_at_all".
2018 Mar 20
0
Struggling to compute marginal effects !
...:55 AM, Willy Byamungu
<wmulimbi at email.uark.edu> wrote:
> Sorry, do not read "Inc_reliable_fromNTA" I did a mistake in the email I
> sent you. It should be just "Inc".
>
> The situation looks like this
>
> Data$Inc <- ordered(Data$Inc =
> c("Not_reliable_at_all","Less_reliable","Somehow_reliable","Very reliable"))
>
> First model
> object1 <- polr(Inc ~ Adopt ,Data,Hess = T,method = "logistic")
>
> Marginal effect for object1:
> ocME(object1)
> Error in eval(predvars, data, env) :
>...