C ONTRIBUTED R ESEARCH A RTICLES 38rdrobust: An R Package for RobustNonparametric Inference inRegression-Discontinuity Designsby Sebastian Calonico, Matias D. Cattaneo and Rocío TitiunikAbstract This article describes the R package rdrobust , which provides data-driven graphical and in-ference procedures for RD designs. The package includes three main functions: rdrobust , rdbwselectand rdplot . The f i rst function ( rdrobust ) implements conventional local-polynomial RD treatmenteffect point estimators a...
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