Narrow your search

Library

KU Leuven (1)


Resource type

book (1)


Language

English (1)


Year
From To Submit

2021 (1)

Listing 1 - 1 of 1
Sort by

Book
Minimax Risk and Uniform Convergence Rates for Nonparametric Dyadic Regression
Authors: --- --- ---
Year: 2021 Publisher: Cambridge, Mass. National Bureau of Economic Research

Loading...
Export citation

Choose an application

Bookmark

Abstract

We study nonparametric regression in a setting where N(N-1) dyadic outcomes are observed for N randomly sampled units. Outcomes across dyads sharing a unit in common may be dependent (i.e., our dataset exhibits dyadic dependence). We present two sets of results. First, we calculate lower bounds on the minimax risk for estimating the regression function at (i) a point and (ii) under the infinity norm. Second, we calculate (i) pointwise and (ii) uniform convergence rates for the dyadic analog of the familiar Nadaraya-Watson (NW) kernel regression estimator. We show that the NW kernel regression estimator achieves the optimal rates suggested by our risk bounds when an appropriate bandwidth sequence is chosen. This optimal rate differs from the one available under iid data: the effective sample size is smaller and dimension of the regressor vector influences the rate differently.

Keywords

Listing 1 - 1 of 1
Sort by