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morphErr  

Measurement Error Models for Morphometric Data
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("morphErr", "1.0.0")



Attach the package and use:
library("morphErr")
Maintained by
Ben C. Stevenson
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-08-30
Latest Update: 2026-08-30
Description:
Morphometric data collected on animal populations can be subject to measurement error, which leads to biased estimators using line-fitting techniques such as linear regression and reduced major axis. The models implemented in this package were described by Stevenson, Smit, and Setyawan (2026) <doi:10.1214/26-AOAS2164>. They explicitly accommodate measurement error, allow for multivariate data, estimate relationships between dimensions, allow missing data, and provide tests for isometric relationships between dimensions. Morphometric data of the reef manta ray, collected in Raja Ampat, Indonesia, are included.
How to cite:
Ben C. Stevenson (2026). morphErr: Measurement Error Models for Morphometric Data. R package version 1.0.0, https://cran.r-project.org/web/packages/morphErr. Accessed 24 Oct. 2026.
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