sbar is a package that provides functions to allow the user to run various stage-based fisheries assessments in R. The stage-based assesments available are versions of the current (2020) Catch-Survey Analysis (CSA) found in the the NOAA Fish and Fisheries Toolbox and an implementation of a size-based delay-difference model described in the theoretical paper by Schnute (1987). Model theory, implementation and testing are detailed in a manuscript currently under review.
This package involves C++ code and the modelling framework of the
package TMB
. Please ensure that you are able to compile source code
and that this package is running smoothly on your device. Package has
not been tested on the most recent version of R (>=4.0) as of yet
And sbar package can be installed from Github with:
# install.packages("devtools")
devtools::install_github("lbatts/sbar")
To learn more about sbar assessments and to see examples
browseVignettes("sbar")
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