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st: calculation of marginal effect

From   Yanru Qiao <>
Subject   st: calculation of marginal effect
Date   Thu, 12 Jul 2012 21:20:19 -0500

Dear statalist

We are calculating the marginal effect of a change in two variables in
logistic regression model. According to paper (Computing interaction
effects and standard errors in logit and probit models, Norton, 2004),
the command inteff computes the correct marginal effect of a change in
two interacted variables for a logit or probit model. So What command
I can use to compute the interaction effects in other nonlinear models
except logit model? I notice that predictnl could be used. Is
predictnl the only one reasonable option to calculate the marginal
effect of the interaction terms?


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