R package openCR

The R package openCR implements open-population capture–recapture models for data in the secr capthist format.

openCR is available from CRAN - including Windows and Mac binaries. The code is also on GitHub and bug reports may be posted there. Please direct other questions to the DENSITY|secr forum at phidot.org or the Google group secr.

Features

spatial and nonspatial models
seamless integration with secr
choice of parameterization, covering most earlier CJS and JS models
robust design
formulas for model specification
open-source
stratified models (2.0.2)
movement models

Warnings

openCR 1.4.1 and 1.5.0 corrected significant bugs in the movement model of earlier versions
users should be R-literate and familiar with capture–recapture
see openCR-vignette.pdf for a list of limitations and speed tips.

openCR_2.2.6.zip 2600K << current Windows binary
openCR_2.2.6.tgz 3158K << current OS X binary
openCR_2.2.6.tar.gz 2194K << current source package

Distributed with package

openCR-vignette.pdf 255K << introduction and overview
openCR-manual.pdf 327K << help pages openCR 2.2.6

Additional vignettes

openCR-examples.pdf 245K << examples

openCR-kernel.pdf 258K << movement kernels

Archived versions

Last updated: 1 December 2023