Helper functions to accompany the Blair, Coppock, and Humphreys (2022) "Research Design: Declare, Diagnose, Redesign" < https://book.declaredesign.org>. 'rdddr' includes datasets, helper functions, and plotting components to enable use and replication of the book.
Helper functions for using the book Research Design: Declaration, Diagnosis, Redesign by Blair, Coppock, and Humphreys (forthcoming, Princeton University Press).