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Functions to estimate the density and size of a spatially distributed animal population sampled with an array of passive detectors, such as traps, or by searching polygons or transects. Models incorporating distance-dependent detection are fitted by maximizing the likelihood. Tools are included for data manipulation and model selection.
Version: | 5.1.0 |
Depends: | R (≥ 3.5.0), methods |
Imports: | abind, graphics, grDevices, MASS, mgcv, mvtnorm, nlme, parallel, raster (≥ 3.5-15), Rcpp (≥ 0.12.14), RcppNumerical, RcppParallel (≥ 5.1.1), sf, stats, stringr, terra (≥ 1.5-12), tools, utils |
LinkingTo: | BH, Rcpp, RcppEigen, RcppNumerical, RcppParallel |
Suggests: | gdistance, igraph, knitr, readxl, rmarkdown, sp, spatstat (≥ 3.0-2), spatstat.geom, spatstat.random, spcosa, spsurvey (≥ 5.3.0), testthat |
Published: | 2024-11-04 |
DOI: | 10.32614/CRAN.package.secr |
Author: | Murray Efford [aut, cre], Philipp Jund [ctb] (faster transect search and spacing), David Fletcher [ctb] (overdispersion), Yan Ru Choo [ctb] (goodness-of-fit) |
Maintainer: | Murray Efford <murray.efford at otago.ac.nz> |
License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
URL: | https://www.otago.ac.nz/density/, https://github.com/MurrayEfford/secr/ |
NeedsCompilation: | yes |
SystemRequirements: | GNU make |
Citation: | secr citation info |
Materials: | NEWS |
In views: | Environmetrics |
CRAN checks: | secr results |
Reference manual: | secr.pdf |
Vignettes: |
Data input for secr (source, R code) Spatially explicit capture–recapture in R (source, R code) |
Package source: | secr_5.1.0.tar.gz |
Windows binaries: | r-devel: secr_5.1.0.zip, r-release: secr_5.1.0.zip, r-oldrel: secr_5.1.0.zip |
macOS binaries: | r-release (arm64): secr_5.1.0.tgz, r-oldrel (arm64): secr_5.1.0.tgz, r-release (x86_64): secr_5.1.0.tgz, r-oldrel (x86_64): secr_5.1.0.tgz |
Old sources: | secr archive |
Reverse depends: | ipsecr, openCR, secrdesign, secrlinear |
Reverse imports: | camtrapR |
Reverse suggests: | ScatterDensity, wiqid |
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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.