Thomas Lumley • 3/27/2020

Changing strata mid-stream

This technical article examines the problem of changing stratification variables mid-stream in a multi-wave sampling design. It discusses the statistical implications for estimating population totals, the risk of bias when sampling probabilities change between waves, and the conditions under which such adjustments might be valid. The content is deeply rooted in statistical methodology relevant to data science and survey sampling.

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#statistics #sampling #Regression