Acknowledgement: The authors thank Matias Cattaneo and Rocio Titiunik for the use of their data.
It was used in Matias D. Cattaneo, Brigham R. Frandsen and Rocío Titiunik (2015) Randomization Inference in the Regression Discontinuity Design: An Application to Party Advantages in the U.S. Senate, Journal of Causal Inference, 3(1), 1-24.