BhattacharyyaSharmodeepStatisticsSubsamplngBootstrapCountSupplement.pdf

Citeable URL: https://ir.library.oregonstate.edu/concern/articles/b8515q275

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Creator	Bhattacharyya, Sharmodeep Bickel, Peter J.
Abstract	Analysis of stochastic models of networks is quite important in light of the huge influx of network data in social, information and bio sciences, but a proper statistical analysis of features of different stochastic models of networks is still underway.We propose bootstrap subsampling methods for finding empirical distribution of count features or “moments” (Bickel, Chen and Levina [Ann. Statist. 39 (2011) 2280–2301]) and smooth functions of these features for the networks. Using these methods, we cannot only estimate the variance of count features but also get good estimates of such feature counts, which are usually expensive to compute numerically in large networks. In our paper, we prove theoretical properties of the bootstrap estimates of variance of the count features as well as show their efficacy through simulation. We also use the method on some real network data for estimation of variance and expectation of some count features. Keywords: bootstrap, Networks, subsampling, model-based sampling, count features
Rights Statement	Copyright Not Evaluated

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2017-07-25

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