R Under development (unstable) (2024-03-19 r86153 ucrt) -- "Unsuffered Consequences"
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> ## bug report from Thomas Leeper, fixed in version 3.32-3
> 
> 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

> data(api)
> dstrat<-svydesign(id=~1,strata=~stype, weights=~pw, data=apistrat, fpc=~fpc)
> 
> # pass `family` directly (WORKS!)
> svyglm(api00~ell+meals+mobility, design=dstrat, family = gaussian())
Stratified Independent Sampling design
svydesign(id = ~1, strata = ~stype, weights = ~pw, data = apistrat, 
    fpc = ~fpc)

Call:  svyglm(formula = api00 ~ ell + meals + mobility, design = dstrat, 
    family = gaussian())

Coefficients:
(Intercept)          ell        meals     mobility  
   820.8873      -0.4806      -3.1415       0.2257  

Degrees of Freedom: 199 Total (i.e. Null);  194 Residual
Null Deviance:	    3023000 
Residual Deviance: 1029000 	AIC: 2308
> 
> # passing `family` via ... (WORKS!)
> myfun1 <- function(formula, design, ...) {
+     svyglm(formula, design = design, ...)
+ }
> myfun1(api00~ell+meals+mobility, design=dstrat, family = gaussian())
Stratified Independent Sampling design
svydesign(id = ~1, strata = ~stype, weights = ~pw, data = apistrat, 
    fpc = ~fpc)

Call:  svyglm(formula = formula, design = design, family = ..1)

Coefficients:
(Intercept)          ell        meals     mobility  
   820.8873      -0.4806      -3.1415       0.2257  

Degrees of Freedom: 199 Total (i.e. Null);  194 Residual
Null Deviance:	    3023000 
Residual Deviance: 1029000 	AIC: 2308
> 
> # passing `family` via default argument (DOES NOT WORK!)
> myfun2 <- function(formula, design, family = gaussian()) {
+     svyglm(formula, design = design, family = family)
+ }
> myfun2(api00~ell+meals+mobility, design=dstrat, family = gaussian())
Stratified Independent Sampling design
svydesign(id = ~1, strata = ~stype, weights = ~pw, data = apistrat, 
    fpc = ~fpc)

Call:  svyglm(formula = formula, design = design, family = family)

Coefficients:
(Intercept)          ell        meals     mobility  
   820.8873      -0.4806      -3.1415       0.2257  

Degrees of Freedom: 199 Total (i.e. Null);  194 Residual
Null Deviance:	    3023000 
Residual Deviance: 1029000 	AIC: 2308
> 
> proc.time()
   user  system elapsed 
   1.56    0.20    1.70