Dear all,
My name is Berta Barbet and I am a PhD Student at the University of Leicester, United
Kingdom. I am trying to analyse whether or not the impact of different issues at
explaining voters decision changes through time in several countries. In order to do so I
am performing several MNL regressions with issue positions as IV and vote as DV. And now I
would like to plot the results into graph to make the visualisation of the importance of
the different issues more clear. I was using the prchange command for the SPost package.
But this package does not offer confidence intervals for the predicted values, so I
decided to use the CLARIFY package.
However, I have not managed to find a way to save these results with this package and I
have not been able to find anyone who can help me. So far I have manage to calculate the
changes in predicted values using:
estsimp mlogit vote Welfare Defense Constitutionalism Decentralization
European_Integration Morality Freedom Multiculturalism Labour Market Green if year==1992
setx mean
simqi, fd(prval(1 2 3 5)) changex(Defense min max) genpr(defense92_1 defense92_2
defense92_3 defense92_5)
Although I would prefer to calculate the change in predicted values by moving one SD above
and below the mean, instead of min-max, in general the results that show in the screen are
enough. However, I cannot save them. esttab commands do not work with the package. And the
package only seems to save monte carlo simulations for the predicted values not for
anything different.
I have thought about the possibility of calculating the predicted probabilities at the
different points and then just compute the difference and their variances. The problem is
that unless I find a way to estimate the predicted probability at the highest and lowest
value together, something that I have not been able to do (I only know who to do it by
asking it to estimate them separated), the values of the Monte Carlo simulations saved
come from different simulations. Hence, I should not substract them because they are not
comparable.
I have a lot of results, so saving them manually would imply a lot of work and risks
making mistakes.
Thank you very much for your help and patience.
Kind regards,
Berta Barbet Porta
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