The nncc package is an R package that provides a tool to implement nearest-neighbors matching for case-control data. Nearest-neighbors matching may improve confounding control if case-control data include too many exposures to control in a logistic regression model.

Beau B. Bruce, MD, PhD [email protected]; CDC/NCEZID/DFWED/EDEB

# Install nncc from CRAN
install.packages("nncc")

# Or the development version from GitHub
devtools::install_github("bbbruce/nncc")

If you have installed the nncc package, use vignette("nncc") or browseVignettes("nncc").

Otherwise, refer to https://CRAN.R-project.org/package=nncc/vignettes/nncc.html.

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