= Sabyasachi Chatterjee
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Sabyasachi Chatterjee coauthored improved risk bounds for <isotonic regression> with <Adityanand Guntuboyina> and <Bodhisattva Sen>. The monotone <least-squares estimator> achieves a range of rates depending on the underlying sequence, including nearly parametric behavior for constant signals. Their local <minimax> analysis explains why more rapidly varying monotone signals are intrinsically harder to estimate.<Improved Risk Bounds in Isotonic Regression by Sabyasachi Chatterjee and others>[Abstract and Section 4.1]{ref}
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