RD2D

The rd2d package provides R implementations of pointwise and uniform estimation and inference for Boundary Discontinuity Designs employing local polynomial methods.

This work was supported in part by the National Science Foundation through grants SES-2019432 and SES-2241575.

Website

https://rdpackages.github.io/rd2d

Queries and Requests

Please email: rdpackages@googlegroups.com

R Implementation

To install/update in R type:

install.packages('rd2d')

• Help: R Manual, CRAN repository.

• Replication: Data, Illustration, Plot TE Curve, Plot Heat Maps.

Repository

For source code and related files, visit rd2d repository.

References

For overviews and introductions, see rdpackages website.

Software and Implementation

• Cattaneo, Titiunik and Yu (2025): rd2d: Causal Inference in Boundary Discontinuity Designs.
  Working paper.

Technical and Methodological

Cattaneo, Titiunik and Yu (2026): Boundary Discontinuity Designs: Theory and Practice.
Advances in Economics and Econometrics: Thirteenth World Congress, eds. R. Griffith, Y. Gorodnichenko, M. Kandori and F. Molinari, Cambridge University Press, Vol. 1, Ch. 2, to appear, 2026.

• Cattaneo, Titiunik and Yu (2025): Estimation and Inference in Boundary Discontinuity Designs: Location-Based Methods.
  Working paper.
  Supplemental Appendix.

• Cattaneo, Titiunik and Yu (2025): Estimation and Inference in Boundary Discontinuity Designs: Distance-Based Methods.
  Working paper.
  Supplemental Appendix.

• Cattaneo, Titiunik and Yu (2026): Estimation and Inference in Boundary Discontinuity Designs: Pooling-Based Methods.
  Working paper.
  Supplemental Appendix.