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On Convergence Rate of the Generalized Diversity Subsampling Method
Boyang Shang · 2023-08-22 · via math.ST updates on arXiv.org

arXiv:2206.10812v1 [stat.ME] proposes a useful algorithm, named generalized Diversity Subsampling (g-DS) algorithm, to select a subsample following some target probability distribution from a finite data set and demonstrates its effectiveness numerically. While the asymptotic performances of g-DS when the true data distribution is known was discussed in arXiv:2206.10812v1 [stat.ME], it remains an interesting question how the estimation errors in the density estimation step, which is an unavoidable step to use g-DS in real-world data sets, influences its asymptotic performance. In this paper, we study the pointwise convergence rate of probability density function (p.d.f) the g-DS subsample to the target p.d.f value, as the data set size approaches infinity, under consideration of the pointwise bias and variance of the estimated data p.d.f.

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