R Under development (unstable) (2024-03-07 r86063 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.

> ## from Terry Therneau
> 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

> load("naa.rda")
> 
> fit1e <- svyglm( pseudo ~ age34 + ccr5 + factor(times),  design= adata.s,na.action=na.exclude)
> fit1o <- svyglm( pseudo ~ age34 + ccr5 + factor(times),  design= adata.s)
> all.equal(coef(fit1e),coef(fit1o))
[1] TRUE
> all.equal(vcov(fit1e),vcov(fit1o))
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.98    0.17    1.15