Design-Unbiased Statistical Learning in Survey Sampling

Luis Sanguiao Sande () and Li-Chun Zhang ()
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Luis Sanguiao Sande: Instituto Nacional de Estadística
Li-Chun Zhang: University of Southampton

Sankhya A: The Indian Journal of Statistics, 2021, vol. 83, issue 2, No 9, 714-744

Abstract: Abstract Design-consistent model-assisted estimation has become the standard practice in survey sampling. However, design consistency remains to be established for many machine-learning techniques that can potentially be very powerful assisting models. We propose a subsampling Rao-Blackwell method, and develop a statistical learning theory for exactly design-unbiased estimation with the help of linear or non-linear prediction models. Our approach makes use of classic ideas from Statistical Science as well as the rapidly growing field of Machine Learning. Provided rich auxiliary information, it can yield considerable efficiency gains over standard linear model-assisted methods, while ensuring valid estimation for the given target population, which is robust against potential mis-specifications of the assisting model, even if the design consistency of following the standard recipe for plug-in model-assisted estimator cannot be established.

Keywords: Rao-Blackwellisation; Bagging; pq-unbiasedness; Stability conditions; Primary 62D05; Secondary 62G05 (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s13171-020-00224-1

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