The rSPAMM package is a R-package for performing assessment of harp and hooded seals in the West Ice (along the coast of Greenland) and the East Ice. Assessment of other populations is possible as long as similar input data is available. The package fits available pup production data and models the total abundance of the population of interest. Various catch options and the impact of the future abundance can be explored and graphical tools to visualize the results is available.
Instructions on how to use rSPAMM is found in the vignette.
The rSPAMM package depends on the following R-packages
- TMB
- ggplot2
- RcppEigen
These dependencies will be automatically installed when installing the rSPAMM package.
The most recent version of rSPAMM is hosted on a git repository at https://github.com/NorskRegnesentral/rSPAMM.git.
To install the R-package directly from the repository use the following command (note: the R-package devtools has to be installed first)
devtools::install_github("https://github.com/NorskRegnesentral/rSPAMM.git", build_vignettes = TRUE)In order to load the package type:
library(rSPAMM)
Instructions on how to use rSPAMM is found in the vignette.
To load the vignette type:
vignette("howToUse_rSPAMM",package = "rSPAMM")
The vignette will be opened in a system specified viewer. For a HTML version of the vignette (recommended) use
browseVignettes()
and scroll down to the rSPAMM package.