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sure: Surrogate Residuals

An R package for constructing SUrrogate-based REsiduals and diagnostics for ordinal and general regression models; based on the approach described in Dungang and Zhang (2017).


The sure package is currently listed on CRAN and can easily be installed:

# Install from CRAN (recommended)
# Alternatively, install the development version from GitHub
if (!requireNamespace("devtools")) install.packages("devtools")


Liu, Dungang and Zhang, Heping. Residuals and Diagnostics for Ordinal Regression Models: A Surrogate Approach. Journal of the American Statistical Association (accepted). URL