Rates of convergence for the cluster tree
Kamalika Chaudhuri · Sanjoy Dasgupta
2010 Poster
Abstract
For a density f on R^d, a high-density cluster is any connected component of {x: f(x) >= c}, for some c > 0. The set of all high-density clusters form a hierarchy called the cluster tree of f. We present a procedure for estimating the cluster tree given samples from f. We give finite-sample convergence rates for our algorithm, as well as lower bounds on the sample complexity of this estimation problem.
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