rd2d-package {rd2d}R Documentation

rd2d: Two Dimensional Local Polynomial Regression Discontinuity Design

Description

This package implements estimation and inference procedures for boundary regression discontinuity (RD) designs using local polynomial methods, based on either bivariate coordinates or distance-based approaches. Methods are developed in Cattaneo, Titiunik, and Yu (2025a). A companion software article is available at Cattaneo, Titiunik, and Yu (2025b).

Included functions are: rd2d for inference and estimation based on bivariate coordinates, rdbw2d for data-driven bandwidth selection based on bivariate coordinates, rd2d.dist for distance-based inference and estimation, rdbw2d.dist for distance-based bandwidth selection.

print() and summary() methods are available all four functions.

Related Stata, R, and Python packages useful for inference in RD designs are described in the following website:

https://rdpackages.github.io/

For an introduction to regression discontinuity design, see Cattaneo, Idrobo, Titiunik (2024) and references therein.

Author(s)

Matias Cattaneo, Princeton University. cattaneo@princeton.edu. Rocio Titiunik, Princeton University. titiunik@princeton.edu. Ruiqi Rae Yu, Princeton University. rae.yu@princeton.edu.

References

See Also

Useful links:


[Package rd2d version 0.0.2 Index]