[R] Demographic Variables in AIDS (Demand System)

Arne Henningsen arne.henningsen at googlemail.com
Wed Mar 7 07:04:22 CET 2012

Dear xiaodao

On 7 March 2012 05:19, xiaodao <yanghaowang at utk.edu> wrote:
> I am using aidsEst( ) in "micEconAids" package to estimate Demand system.
> But I would like to add more demographic variables in demand system. How can
> I add those information?
> for example:
> mydata<-data.frame(p1,p2,p3,p4,
>                                          s1,s2,s3,s4,
>                                          totalexp,
>                                          house,age,urban)
> priceNames<-c("p1","p2","p3","p4")
> shareNames<-c("s1","s2","s3","s4")
> estResult <- aidsEst(priceNames,shareNames,'totalexp',data=mydata,
>                     method = "LA")
> for this step, estResult <- aidsEst(....), how to add more demographic
> variables in this system?

You can use argument "shifterNames" for this.

BTW: You can also ask questions, report problems, etc. about the
micEconAids package via a forum or "tracker" at the R-Forge site [1]
of the micEcon project [2].

[1] https://r-forge.r-project.org/projects/micecon/

[2] http://www.micEcon.org/

Best wishes from Copenhagen,

Arne Henningsen

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