Graham, Bryan S.; Niu, Fengshi; Powell, James L. - 2023
We study nonparametric regression in a setting where N(N-1) dyadic outcomes are observed for N randomly sampled units … sets of results. First, we calculate lower bounds on the minimax risk for estimating the regression function at (i) a point … analog of the familiar Nadaraya-Watson (NW) kernel regression estimator. We show that the NW kernel regression estimator …