Displaying 1 result from an estimated 1 matches for "des1".
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des
2005 May 26
1
Survey and Stratification
...1:8, rep(3,5), rep(4,3), rep(5,5),
rep(3,3), rep(15,5), rep(12,3), 23,25,27,21,22, 33,27,29), ncol=6, byrow=F)
colnames(age)<-c("stratum", "id", "weight", "nh", "Nh", "y")
age<-as.data.frame(age)
## create survey design object
age.des1<-svydesign(ids=~id, strata=~stratum, weight=~Nh, data=age)
svymean(~y, age.des1)
## gives mean 25.568, SE 0.9257
age.des2<-svydesign(ids=~id, strata=~stratum, weight=~I(nh/Nh), data=age)
svymean(~y, age.des2)
## gives mean 25.483, SE 0.9227
age.des3<-svydesign(ids=~id, strata=~stratum, w...