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Big Datasets are endemic, but are often notoriously difficult to analyse because of their size, heterogeneity and quality. The purpose of this paper is to open a discourse on the potential for modern decision theoretic optimal experimental design methods, which by their very nature have traditionally been applied prospectively, to improve the analysis of Big Data through retrospective designed sampling in order to answer particular questions of interest. By appealing to a range of examples, it is suggested that this perspective on Big Data modelling and analysis has the potential for wide generality and advantageous inferential and computational properties. We highlight current hurdles and open research questions surrounding efficient computational optimisation in using retrospective designs, and in part this paper is a call to the optimisation and experimental design communities to work together in the field of Big Data analysis.

Original publication

DOI

10.1214/16-sts604

Type

Journal article

Journal

Statistical science : a review journal of the institute of mathematical statistics

Publication Date

08/2017

Volume

32

Pages

385 - 404

Addresses

School of Mathematical Sciences, Queensland University of Technology, Brisbane, Australia, 4000.