Relation to other approaches to inference Bootstrapping (statistics)
in situations obvious statistic can devised measure required characteristic using small number, r, of data items, corresponding statistic based on entire sample can formulated. given r-sample statistic, 1 can create n-sample statistic similar bootstrapping (taking average of statistic on subsamples of size r). procedure known have properties , result u-statistic. sample mean , sample variance of form, r=1 , r=2.
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