HI,
I guess I did sth wrong with the optional argument in the program. but I don't
know how should I make it.
in my main program:
source("getelasticity_overPB.r")
crossprice<-getelasticity(mydata,mydatao,"nest")$cross_p
is same with
crossprice<-getelasticity(mydata,mydatao)$cross_p
I don't know why????
In ""getelasticity_overPB.r":
I have the function:
getelasticity=function(mydata,mydatao,method=NULL){
.....
source("runmodel.r")
rr<-getrange(dataw,mydatao,method=NULL)
#I have tested that rr<-getrange(dataw,mydatao) is different with
rr<-getrange(dataw,mydatao,"nest"): which is what I want.
rr
}
how should I make it work???
Thanks for your help.
Kind regards,
Tammy
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