26 citations · 117 across the 27 of their papers we have counts for
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stat.ME2014
Principal Component Analysis in an Asymmetric Norm
Ngoc Mai Tran, Maria Osipenko, Wolfgang Karl Haerdle
Principal component analysis (PCA) is a widely used dimension reduction tool in the analysis of many kind of high-dimensional data. It is used in signal processing, mechanical engi…
stat.ME2012
HodgeRank is the limit of Perron Rank
Ngoc Mai Tran
We study the map which takes an elementwise positive matrix to the k-th root of the principal eigenvector of its k-th Hadamard power. We show that as tends to 0 one recovers th…
stat.ME2011
Pairwise ranking: choice of method can produce arbitrarily different rank order
Ngoc Mai Tran
We examine three methods for ranking by pairwise comparison: Principal Eigenvector, HodgeRank and Tropical Eigenvector. It is shown that the choice of method can produce arbitraril…