Should the svyby function be able to work with svyquantile? I get the
error below ...
data(api)
dclus1<-svydesign(id=~dnum, weights=~pw, data=apiclus1, fpc=~fpc)
svyby(~api00,
design=dclus1,
by = ~stype,
quantiles=c(.25,.5,.75),
FUN=svyquantile,
na.rm=T
)
> Error in object$coefficients : $ operator is invalid for atomic
vectors
A more general question is: can quantiles and their SEs be computed for
subgroups?
The same syntax works using svymean.
Thanks
R. Valliant
Univ. of Maryland, US
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