U-statistics Bootstrapping (statistics)

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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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