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CRABS: Congruent Rate Analysis in Birth-death Scenarios

A package for investigating and visualizing the congruence class (Louca & Pennell 2020) of a phylogenetic birth-death model. Previously, this package went by the acronym ACDC.

Installation:

The stable version can be installed from CRAN:

install.packages("CRABS")

The developmental version can be installed from the github repository. The package devtools makes this convenient:

install.packages("devtools")
library(devtools)
install_github("afmagee/CRABS")

Documentation

There is documentation for each function in R (type ?CRABS in the R-console), as well as a long-form vignette with an example workflow.

References

• Louca, S., & Pennell, M. W. (2020). Extant timetrees are consistent with a myriad of diversification histories. Nature, 580(7804), 502-505.
• Höhna, S., Kopperud, B. T., & Magee, A. F. (2022). CRABS: Congruent rate analyses in birth–death scenarios. Methods in Ecology and Evolution, 13, 2709– 2718. https://doi.org/10.1111/2041-210X.13997
• Kopperud, B. T., Magee, A. F., & Höhna, S. (2023). Rapidly Changing Speciation and Extinction Rates Can Be Inferred in Spite of Nonidentifiability. Proceedings of the National Academy of Sciences 120 (7): e2208851120. https://doi.org/10.1073/pnas.2208851120.
• Andreoletti J. & Morlon, H. (2023). Exploring congruent diversification histories with flexibility and parsimony. Methods in Ecology and Evolution. https://doi.org/10.1111/2041-210X.14240.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.