A Note on Robust Variance Estimation for
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Rick L. Williams
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Article
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2000
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John Wiley and Sons
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English
β 216 KB
**Summary.** There is a simple robust variance estimator for clusterβcorrelated data. While this estimator is well known, it is poorly documented, and its wide range of applicability is often not understood. The estimator is widely used in sample survey research, but the results in the sample surve