IsoplotR: Statistical Toolbox for Radiometric Geochronology

Plots U-Pb data on Wetherill and Tera-Wasserburg concordia diagrams. Calculates concordia and discordia ages. Performs linear regression of measurements with correlated errors using 'York', 'Titterington' and 'Ludwig' approaches. Generates Kernel Density Estimates (KDEs) and Cumulative Age Distributions (CADs). Produces Multidimensional Scaling (MDS) configurations and Shepard plots of multi-sample detrital datasets using the Kolmogorov-Smirnov distance as a dissimilarity measure. Calculates 40Ar/39Ar ages, isochrons, and age spectra. Computes weighted means accounting for overdispersion. Calculates U-Th-He (single grain and central) ages, logratio plots and ternary diagrams. Processes fission track data using the external detector method and LA-ICP-MS, calculates central ages and plots fission track and other data on radial (a.k.a. 'Galbraith') plots. Constructs total Pb-U, Pb-Pb, Th-Pb, K-Ca, Re-Os, Sm-Nd, Lu-Hf, Rb-Sr and 230Th-U isochrons as well as 230Th-U evolution plots.

Version: 5.3
Depends: R (≥ 3.0.0)
Imports: MASS
Published: 2023-05-20
Author: Pieter Vermeesch [aut, cre]
Maintainer: Pieter Vermeesch <p.vermeesch at>
License: GPL-3
NeedsCompilation: no
Citation: IsoplotR citation info
Materials: README NEWS
CRAN checks: IsoplotR results


Reference manual: IsoplotR.pdf


Package source: IsoplotR_5.3.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): IsoplotR_5.3.tgz, r-oldrel (arm64): IsoplotR_5.3.tgz, r-release (x86_64): IsoplotR_5.3.tgz, r-oldrel (x86_64): IsoplotR_5.3.tgz
Old sources: IsoplotR archive

Reverse dependencies:

Reverse imports: bayclumpr, gamma, IsoplotRgui, provenance


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