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lpdensity: Local Polynomial Density Estimation and Inference

Matias D. Cattaneo, Michael Jansson, Xinwei Ma

arXiv 15 Jun 2019 · Statistics — Computation · publishedJournal of Statistical Software (2022) · 20 citations (OpenAlex)

arXiv:1906.06529 · PDF · DOI · OpenAlex · Extracted main text

Abstract

Density estimation and inference methods are widely used in empirical work. When the underlying distribution has compact support, conventional kernel-based density estimators are no longer consistent near or at the boundary because of their well-known boundary bias. Alternative smoothing methods are available to handle boundary points in density estimation, but they all require additional tuning parameter choices or other typically ad hoc modifications depending on the evaluation point and/or approach considered. This article discusses the R and Stata package lpdensity implementing a novel local polynomial density estimator proposed and studied in Cattaneo, Jansson, and Ma (2020, 2021), which is boundary adaptive and involves only one tuning parameter. The methods implemented also cover local polynomial estimation of the cumulative distribution function and density derivatives. In addition to point estimation and graphical procedures, the package offers consistent variance estimators, mean squared error optimal bandwidth selection, robust bias-corrected inference, and confidence bands construction, among other features. A comparison with other density estimation packages available in R using a Monte Carlo experiment 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
1Cattaneo MD, Jansson M, Ma X (2021) Local Regression Distribution Estimators0.87452100%
2Calonico S, Cattaneo MD, Farrell MH (2018) On the Effect of Bias Estimation on Coverage Accuracy in Nonparametric Inference0.81142100%
3Calonico S, Cattaneo MD, Farrell MH (2020) Coverage Error Optimal Confidence Intervals for Local Polynomial Regression0.81142100%
4Cattaneo MD, Jansson M, Ma X (2020) Simple Local Polynomial Density Estimators0.73732100%
5Cheng MY, Fan J, Marron JS (1997) On Automatic Boundary Corrections0.64422100%
6Karunamuni RJ, Albert T (2005) On Boundary Correction in Kernel Density Estimation0.64422100%
7Zhang S, Karunamuni RJ (1998) On Kernel Density Estimation Near Endpoints0.64422100%
8Fan J, Gijbels I (1996) Local Polynomial Modelling and Its Applications0.51121100%
9Calonico S, Cattaneo MD, Farrell MH (2019) nprobust: Nonparametric Kernel-Based Estimation and Robust Bias-Corrected Inference0.40511100%
10Calonico S, Cattaneo MD, Farrell MH (2020) nprobust: Nonparametric Robust Estimation and Inference Methods using Local Polynomial Regression and Kernel Density Estimation0.40511100%

Showing the top 10 of 17 scored citations.

Cited by, within the corpus

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Citing paperIntensityMentionsSections
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