concurve | Graph Frequentist Distributions of Parameters concurve hex logo

Compute & Graph Confidence Distributions and Likelihood Functions

Example consonance (confidence) distribution plot, showing the p-value function and its interval estimates across a range of compatibility levels

Sample image taken from Schweder T, Hjort NL. (2016)

For A Better Understanding of What These Are, See the Background Literature

Compare The Functions From Different Studies

Overlaid consonance functions from two studies, comparing their p-value curvesOverlaid likelihood functions from two studies, comparing their relative likelihood curves

Export Tables Easily For Word, Powerpoint, & TeX documents

Example table of interval estimates at several confidence levels, generated by curve_table()

Install the package from

GitHub using the following:

remotes::install_github("zadrafi/concurve@master", dependencies = TRUE)

See which versions of the package are currently supported here.

Articles

Check out the article on using Stata to obtain similar functions.
See the following articles:

Citation

To properly cite the package, please see the following page or run the R script below.

citation("concurve")

Code of Conduct

Please note that the concurve project is released with a Contributor Code of Conduct. By contributing to this project, you agree to abide by its terms.

Environment

The package was currently run on:

## R version 4.6.1 (2026-06-24)
## Platform: aarch64-apple-darwin25.4.0
## Running under: macOS Golden Gate 27.0
## 
## Matrix products: default
## BLAS:   /opt/homebrew/Cellar/openblas/0.3.34/lib/libopenblasp-r0.3.34.dylib 
## LAPACK: /opt/homebrew/Cellar/r/4.6.1/lib/R/lib/libRlapack.dylib;  LAPACK version 3.12.1
## 
## locale:
## [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
## 
## time zone: America/New_York
## tzcode source: internal
## 
## attached base packages:
## [1] stats     graphics  grDevices utils     datasets  methods   base     
## 
## loaded via a namespace (and not attached):
##  [1] compiler_4.6.1    fastmap_1.2.0     cli_3.6.6         tools_4.6.1      
##  [5] htmltools_0.5.9   otel_0.2.0        rstudioapi_0.19.0 yaml_2.3.12      
##  [9] rmarkdown_2.32    knitr_1.52        xfun_0.60         digest_0.6.39    
## [13] rlang_1.3.0       evaluate_1.0.5