[R] Adjusting for within-cluster correlation: robcov() in Design-package and 'ids' in survey-package

[Thomas Lumley]

On Tue, 7 Oct 2003, Bernd Weiss wrote:

> Dear all,
>
> I would like to know if it possible to use the the robcov()-command in
> the Design- package in order to obtain a robust variance-estimate that
> adjusts for within-cluster correlation. Does the ids-option in the
> survey-package the same job?
>

Yes and roughly yes.

The survey package version also can handle stratification and sampling
from a finite population, making it more complicated to use.


	-thomas