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janusplot  

Asymmetric Smoothed-Association Matrices via GAM Fits
View on CRAN: Click here


Download and install janusplot package within the R console
Install from CRAN:
install.packages("janusplot")

Install from Github:
library("remotes")
install_github("cran/janusplot")

Install by package version:
library("remotes")
install_version("janusplot", "0.1.1")



Attach the package and use:
library("janusplot")
Maintained by
Max Moldovan
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-04-28
Latest Update: 2026-04-28
Description:
Render a pairwise, asymmetric smoothed-association matrix of continuous variables. Each cell shows the fitted spline from an 'mgcv' generalised additive model, with the upper triangle displaying 'gam(x_j ~ s(x_i))' and the lower triangle 'gam(x_i ~ s(x_j))'. Unlike Pearson's correlation matrix, the visualisation is intentionally asymmetric, revealing heteroscedasticity, leverage, and directional non-linearity that a single scalar correlation hides. An asymmetry index and a 24-category shape taxonomy quantify the directional difference and qualitative form of each fitted smooth.
How to cite:
Max Moldovan (2026). janusplot: Asymmetric Smoothed-Association Matrices via GAM Fits. R package version 0.1.1, https://cran.r-project.org/web/packages/janusplot. Accessed 24 Oct. 2026.
Previous versions and publish date:
(2026-07-09 07:50), 0.1.0 (2026-04-28 20:30)
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