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math.ST2015
Adaptive Risk Bounds in Unimodal Regression
Sabyasachi Chatterjee, John Lafferty
We study the statistical properties of the least squares estimator in unimodal sequence estimation. Although closely related to isotonic regression, unimodal regression has not bee…
math.ST2015★ 14 cited
On matrix estimation under monotonicity constraints
Sabyasachi Chatterjee, Adityanand Guntuboyina, Bodhisattva Sen
We consider the problem of estimating an unknown matrix from noisy observations under the constraint that is nondecreasing in both rows…