R Under development (unstable) (2024-03-08 r86070 ucrt) -- "Unsuffered Consequences" Copyright (C) 2024 The R Foundation for Statistical Computing Platform: x86_64-w64-mingw32/x64 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > library(survey) Loading required package: grid Loading required package: Matrix Loading required package: survival Attaching package: 'survey' The following object is masked from 'package:graphics': dotchart > library(AER) Loading required package: car Loading required package: carData Loading required package: lmtest Loading required package: zoo Attaching package: 'zoo' The following objects are masked from 'package:base': as.Date, as.Date.numeric Loading required package: sandwich > > load("cigsw.rda") > > des<-svydesign(id=~1, weights=~wt, data=cigsw) > m<-svyivreg(log(packs) ~ log(rprice) + log(rincome) | log(rincome) + tdiff + I(tax/cpi), design=des) > > all.equal(as.vector(coef(m)), c(10.42009 , -1.588135, 0.6140887),tolerance=1e-6) [1] TRUE > all.equal(as.vector(SE(m)), c( 1.047699, .3394232, .3614382 ),tolerance=1e-6) [1] TRUE > > proc.time() user system elapsed 1.25 0.07 1.29