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Boundary Adaptive Local Polynomial Conditional Density Estimators

Matias D. Cattaneo, Rajita Chandak, Michael Jansson, Xinwei Ma

arXiv 21 Apr 2022 · Mathematics — Statistics Theory · publishedBernoulli (2024) · 10 citations (OpenAlex)

arXiv:2204.10359 · PDF · DOI · OpenAlex · Extracted main text

Abstract

We begin by introducing a class of conditional density estimators based on local polynomial techniques. The estimators are boundary adaptive and easy to implement. We then study the (pointwise and) uniform statistical properties of the estimators, offering characterizations of both probability concentration and distributional approximation. In particular, we establish uniform convergence rates in probability and valid Gaussian distributional approximations for the Studentized t-statistic process. We also discuss implementation issues such as consistent estimation of the covariance function for the Gaussian approximation, optimal integrated mean squared error bandwidth selection, and valid robust bias-corrected inference. We illustrate the applicability of our results by constructing valid confidence bands and hypothesis tests for both parametric specification and shape constraints, explicitly characterizing their approximation errors. A companion R software package implementing our main results is provided.

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Most heavily cited references

The works this paper leans on most, across its whole bibliography — not restricted to papers in our corpus. Ranked by composite intensity, which combines how often a work is mentioned, how many sections mention it, and how much of that falls in the main text rather than the appendix.

ReferenceIntensityMentionsSectionsMain text
1bincollection[author] Giné, EvaristE., Lataa, RafaR. Zinn, JoelJ (2000) )0.73732100%
2barticle[author] Chernozhukov, VictorV., Chetverikov, DenisD. Kato,… (2014) b)0.40511100%
3bbook[author] Fan, JianqingJ. Gijbels, IreneI (1996) )0.40511100%
4barticle[author] Chernozhukov, VictorV., Chetverikov, DenisD., Kato,… (2022) )0.40511100%

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Cited by, within the corpus

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1Data-Driven Policy Learning for Continuous Treatments0.64442
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3Doubly Robust Uniform Confidence Bands for Group-Time Conditional Average Treatment Effects in Difference-in-Differences0.58531
4Estimation and Inference in Boundary Discontinuity Designs: Location-Based Methods Supplemental Appendix0.51121
5Estimation and Inference in Boundary Discontinuity Designs: Distance-Based Methods Supplemental Appendix0.51121
6Kernel Choice Matters for Local Polynomial Density Estimators at Boundaries0.40511
7Nonparametric Estimation of Conditional Densities by Generalized Random Forests0.40511
8Semiparametric Efficiency in Policy Learning with General Treatments0.40511
9Counterfactual Density Effects and the German East–West Income Gap0.40511