Coppock, Alexander, Alan S. Gerber, Donald P. Green, and Holger L. Kern. 2026. attrition: Addressing Nonignorable Attrition with Double Sampling and Bounds. R package version 1.0.0.
conjointmatchups
Coppock, Alexander. 2026. conjointmatchups: Reshape and Extract Matchups from Forced-Choice Conjoint Experiments. R package version 0.0.0.9000.
Blair, Graeme, Jasper Cooper, Alexander Coppock, Macartan Humphreys, and Neal Fultz. 2026. DeclareDesign: Declare and Diagnose Research Designs. R package version 1.1.1.
Blair, Graeme, Jasper Cooper, Alexander Coppock, Macartan Humphreys, and Luke Sonnet. 2025. estimatr: Fast Estimators for Design-Based Inference. R package version 1.0.6.
estimatrTools
Coppock, Alexander. 2026. estimatrTools: Data-Driven Covariate Adjustment for the ‘estimatr’ Estimators. R package version 0.1.0.
excheckr
Coppock, Alexander. 2025. excheckr: Tools for Exploring and Checking Experimental Data. R package version 0.1.0.
Blair, Graeme, Jasper Cooper, Alexander Coppock, Macartan Humphreys, Aaron Rudkin, and Neal Fultz. 2024. fabricatr: Imagine Your Data Before You Collect It. R package version 1.0.2.
metaprep
Coppock, Alexander. 2025. metaprep: Tidy Preparation of Dependent Effect Estimates for Meta-Analysis. R package version 0.4.1.
Coppock, Alexander, Jasper Cooper, and Neal Fultz. 2026. randomizr: Easy-to-Use Tools for Common Forms of Random Assignment and Sampling. R package version 1.0.1.
Coppock, Alexander. 2026. ri2: Randomization Inference for Randomized Experiments. R package version 0.5.0.
Coppock, Alexander. 2025. vayr: Extensions for ‘ggplot2’ to Visualize as You Randomize. R package version 1.0.0.