We used a simulation-estimation approach to evaluate the reliability of the four primary age structured assessment models currently used by NOAA Fisheries: the Age Structured Assessment Program (ASAP), the Assessment Model for Alaska (AMAK), the Beaufort Assessment Model (BAM), and Stock Synthesis (SS).
The National Oceanic and Atmospheric Administration National Marine Fisheries Service (NOAA Fisheries) conducts annual stock assessments and provides the best scientific information available for fisheries management to the U.S. regional fishery management councils. Different regions utilize different assessment software packages, although the models share similar mathematical and statistical attributes. However, comparison studies identifying similarities and differences among different packages used in the U.S. remain scarce. We evaluated the reliability of the four primary age structured assessment models currently used by NOAA Fisheries: the Age Structured Assessment Program (ASAP), the Assessment Model for Alaska (AMAK), the Beaufort Assessment Model (BAM), and Stock Synthesis (SS). We used a simulation-estimation approach to examine any bias of parameter estimation under various model structures.
The project is built based on R.
1. Get the age-structured stock assessment packages:
2. Clone the repo
git clone https://github.com/Bai-Li-NOAA/Age-Structured-Stock-Assessment-Model-Comparison.git
“The United States Department of Commerce (DOC) GitHub project code is provided on an ‘as is’ basis and the user assumes responsibility for its use. DOC has relinquished control of the information and no longer has responsibility to protect the integrity, confidentiality, or availability of the information. Any claims against the Department of Commerce stemming from the use of its GitHub project will be governed by all applicable Federal law. Any reference to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation or favoring by the Department of Commerce. The Department of Commerce seal and logo, or the seal and logo of a DOC bureau, shall not be used in any manner to imply endorsement of any commercial product or activity by DOC or the United States Government.”