Can anyone tell me how to retrieve the response (dependent) variable
from a probit regression object (as much as model.matrix(obj)
retrieves the data matrix). Below is a self-runnable set of codes.
Thank you!
library(sampleSelection)
data<-read.csv("https://dl.dropboxusercontent.com/u/220037024/Yen/data/pta.csv";)
eq1<-d~sex+age+educ
p1<-probit(eq1,data=data)
summary(p1)
attributes(p1)
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